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Recent questions tagged olympiad

Find the digit in the hundred's place after solving the following expression <br> 683922 + 274828 =

asked Sep 21, 2017 by priyanka.c

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A simple closed curve made of line segments only is called a

asked Sep 21, 2017 by priyanka.c

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Vanitha bought a pair of shoes for Rs 499. The shopkeeper gave a discount of Rs 49.99. How much money should he get back?

asked Sep 21, 2017 by priyanka.c

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What number will come in the missing fraction to make it equal <br> $\frac{1}{5} = \frac{2}{10} = \frac{3}{15} = . ..... . = \frac{5}{25}$

asked Sep 21, 2017 by priyanka.c

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Multiply 15 hours 14 minutes 7 seconds by 8

asked Sep 21, 2017 by priyanka.c

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Annanya works in a company where she earns Rs 8750 pm. Her friend Siddhu earns twice as much as Annanya in same company. After 3 months Annanya salary is increased by Rs 2500. How much did Siddhu earn by the end of 6 months

asked Sep 21, 2017 by priyanka.c

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Find the difference between the largest 5 digit number and smallest five digit number by the digits 9, 3, 7, 1, 8 and multiply the result with 5?

asked Sep 21, 2017 by priyanka.c

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In a forest there 52 apple trees which gives 100 apples per tree, 67 mango trees which gives 85 mangoes per tree and 75 orange trees which gives 125 oranges per tree. In a forest fire 7 apple trees, 6 orange trees and 125 mangoes got damaged. What is the final total number of fruits? <br> 20270 1575

asked Sep 21, 2017 by priyanka.c

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What would you choose for the following? <br> A bottle of juice, kerosene in a drum, Tetrapak of milk

asked Sep 21, 2017 by priyanka.c

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Find the HCF by long division method <br> 219, 1321, 2320, 8526

asked Sep 21, 2017 by priyanka.c

1 answer

X and Y are two station which are 320 miles apart. A train starts at a certain time from X and travels towards Y at 70mph. After 2 hours, another train starts from Y and travels towards X at 20mph. What time do they meet?

asked Sep 21, 2017 by priyanka.c

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There is a total of 16 chickens and rabbits in a farm. The total number of legs (chickens and rabbits) is equal to 50. How many chickens and how many rabbits are there?

asked Sep 21, 2017 by priyanka.c

1 answer

Sweety had Rs 3575 to buy drinks, cakes, snacks and sandwiches for his birthday party. He bought 15 small boxes of drinks at Rs 30 each box and 18 boxes of sandwiches at Rs. 7 each box.He bought snack for Rs250. How much money was left after the shopping?

asked Sep 21, 2017 by priyanka.c

0 answers

There are 365 days in one year, and 100 years in one century. How many days are in one century?

asked Sep 21, 2017 by priyanka.c

1 answer

Find the value of following expression. Write arabic numbers <br> (XLVIII - XIX) + (III × XIV) - (XV ÷ III) = <br> XXIX + (XLII ) - (V )

asked Sep 21, 2017 by priyanka.c

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Find the quotient and remainder 57298 ÷ 66

asked Sep 21, 2017 by priyanka.c

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Find the value of the following expression <br> (59856 – 24632)+(57864 – 34231) <br> 35224 +23633

asked Sep 21, 2017 by priyanka.c

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The population of a town is 198568. Out of them 45312 are men and 35678 are woman. Find the number of children in the town.

asked Sep 20, 2017 by priyanka.c

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Find the HCF for the following <br> 405,783,513

asked Sep 20, 2017 by priyanka.c

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****'s school lasts 6 hours 30 minutes excluding breaks and lunch. Break period is of 15 minutes and lunch hours is 30 minutes. There are 2 break periods. What time does the school starts if it ends at 4:30pm.

asked Sep 20, 2017 by priyanka.c

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Find the value of following angle and name the angle

asked Sep 20, 2017 by priyanka.c

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Five years ago, John's age was half of the age he will be in 8 years. How old is he now?

asked Sep 20, 2017 by priyanka.c

0 answers

Find the missing number in the following figure.

asked Sep 20, 2017 by priyanka.c

1 answer

If 3 + 3= 27, 2 + 3 = 6 what is 2 + 2

asked Sep 20, 2017 by priyanka.c

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Find the speed and average speed of a train which leaves Madras at 1 p.m and reaches bangalore in the same day at 8 p.m. The distance between the two stations is 360km and the total time for stoppage is 2 hours between these stations.

asked Sep 20, 2017 by priyanka.c

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How many seconds are there in 85 minutes?

asked Sep 20, 2017 by priyanka.c

1 answer

How many 8's are there in the following number sequence which is immediately preceded by 4 and not followed by 7? <br> 7 8 4 7 4 8 8 3 5 1 4 8 7 2 1 4 8 5

asked Sep 20, 2017 by priyanka.c

1 answer

The same number is repeated four times. In which of the following do you find the mistake?

asked Sep 20, 2017 by priyanka.c

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Find the missing number from the following sequence <br>1,2,4,7,......,33

asked Sep 20, 2017 by priyanka.c

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Sonia has 54 balls for 10 friends. If they all receive equal number of balls then what is the greatest number of balls one can receive?

asked Sep 20, 2017 by priyanka.c

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What is half past ten from the following?

asked Sep 20, 2017 by priyanka.c

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Subtract 34567 - 28650

asked Sep 20, 2017 by priyanka.c

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Find the perimeter of the following figure

asked Sep 20, 2017 by priyanka.c

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How many line segments are there in the following figure

asked Sep 20, 2017 by priyanka.c

1 answer

A typical solar cell can produce electricity equal to

asked Sep 20, 2017 by priyanka.c

1 answer

Which of these is not a green house gas?

asked Sep 20, 2017 by priyanka.c

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_________ rods play an important roles as an absorbant in a nuclear reactor

asked Sep 20, 2017 by priyanka.c

1 answer

To convert ocean thermal energy into electricity, it is necessary that a difference of more than _____ between the surface waters and water depths of 1000m is required.

asked Sep 20, 2017 by priyanka.c

1 answer

An alternating current has a frequency has a frequency of 50Hz. How many times does it change its direction in one direction?

asked Sep 20, 2017 by priyanka.c

1 answer

If a conductor moves ______ to a magnetic field, an induced emf appears across its ends.

asked Sep 20, 2017 by priyanka.c

1 answer

A moving charge experiences a force in a magnetic field except when it is moving _____ to the magnetic field

asked Sep 20, 2017 by priyanka.c

1 answer

If the length of a conductor is resistance R is doubled, what will be its new resistance?

asked Sep 20, 2017 by priyanka.c

1 answer

What is the electric potential of a charge at infinity?

asked Sep 20, 2017 by priyanka.c

1 answer

Read the passage below and answer the following question <br><br> The phenomenon of splitting of white light into its component colours on passing through a refracting medium such a glass prism is called dispersion of light. The pattern obtained on the screen is called spectrum. <br><br> Cause for dispersion of light : Light rays of different colours travel with the same speed in vaccum. But in a refracting media like glss, water, etc; lights of different colours travel with different speeds. The speed of violet colour is the least while the speed of the red is the largest in glass. Hence the violet colour is deviated the most and the red colour the least. The other colur indigo, blue, green, yellow and orange are deviated by intermediate angles. <br><br> Question : The refractive index for violet is what is the electric charge

asked Sep 20, 2017 by priyanka.c

1 answer

Read the passage and answer the question given below <br><br> The phenomenon of splitting of which light into its component colour on passing through a refraction medium such as a glass prism is called dispersion of light. The pattern obtained on the screen is called spectrum. <br><br> Cause for dispersion of light: Light rays of different colours travel with the same speed in vaccum. But in a refracting media like glass, water etc; light of different colours travel with different speeds. The speed of violet colour is the least while the speed of the red is the largest in glass. Hence the violet colour is deviate the most and the red colour the least. The other colours indigo, blue, green, yellow and orange are deviated by intermediate angle. <br><br> Question : Dispersion of light through a medium is due to

asked Sep 19, 2017 by priyanka.c

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Why is the spokes of a rapidly rotating wheel cannot be distinguished?

asked Sep 19, 2017 by priyanka.c

1 answer

The power of a lens is -2.0D. What will be its focal length?

asked Sep 19, 2017 by priyanka.c

1 answer

An incident ray makes an angle of $25^{\circ}$ with the surface of a plane mirror. What will be the angle of reflection?

asked Sep 19, 2017 by priyanka.c

1 answer

What is the minimum size of a plane mirror which can enable a man to see his full image?

asked Sep 19, 2017 by priyanka.c

1 answer

Which of the following are not responsible for acid rain?

asked Sep 19, 2017 by priyanka.c

1 answer

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