Recent questions tagged olympiad

Find out the next number in the following series $17, 350, 100; 19, 350,100; 21,350,100;23,350,100;25,350,100$

asked Oct 21, 2017 by priyanka.c

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Find the place value and face value of digit 9 and 4 in the number 974, 540, 351 (International system)

asked Oct 21, 2017 by priyanka.c

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Round off the number 676 to nearest tens place

asked Oct 21, 2017 by priyanka.c

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Write the following words into figure in international numbering system five hundred and twenty million, two hundred and thirty seven thousand, nine hundred and five

asked Oct 21, 2017 by priyanka.c

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Find out the value of expression from the following table $(A+B)-C+(A \times D)$

asked Oct 21, 2017 by priyanka.c

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Find the cost of flooring the verandah at the rate of Rs 12 per $m^2$ if the length and breadth of the verandah are in the ratio 3:2 and its perimeter is 40 m.

asked Oct 21, 2017 by priyanka.c

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Find the breadth of the rectangular plot of land whose area is 660 $m^2$ and whose length is 33 m. Find its perimeter.

asked Oct 21, 2017 by priyanka.c

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How many mathematical shapes does the following figure have

asked Oct 21, 2017 by priyanka.c

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Find out the angle from the following figure

asked Oct 21, 2017 by priyanka.c

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How many obtuse angles are formed in this given figure

asked Oct 21, 2017 by priyanka.c

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Which of the following money has the least value

asked Oct 21, 2017 by priyanka.c

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Find out the leap year from the following

asked Oct 21, 2017 by priyanka.c

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At what time does the hour hand point between the digits 3 and 4 and minute hand point at 6?

asked Oct 21, 2017 by priyanka.c

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Find the weight in grams of flour from the following figure that is needed to add to B in order to balance A

asked Oct 21, 2017 by priyanka.c

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Write the following number in expanded form 83763.346

asked Oct 21, 2017 by priyanka.c

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What fraction of alphabets are made of semicircles and straight lines

asked Oct 21, 2017 by priyanka.c

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Four bells rings at 6,7,8,9 seconds respectively all the bells rings together after how many seconds

asked Oct 21, 2017 by priyanka.c

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A number is divisible by 3,if the sum of its digits is divisible by

asked Oct 21, 2017 by priyanka.c

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Find out the co-prime numbers out of the following

asked Oct 21, 2017 by priyanka.c

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What is the greatest factor of a number?

asked Oct 21, 2017 by priyanka.c

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Which of the following is the multiple of all the number

asked Oct 19, 2017 by priyanka.c

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Which of the following gives the quotient between 1300 and 1500 ?

asked Oct 19, 2017 by priyanka.c

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Evaluate $[834794 + 235475] - [56 \times 7] + [3454 - 790]$

asked Oct 19, 2017 by priyanka.c

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5700 plus how many hundreds equal 10000

asked Oct 19, 2017 by priyanka.c

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In roman numeral system how many basic numeral are there?

asked Oct 19, 2017 by priyanka.c

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Find out the predecessor of 56602310

asked Oct 19, 2017 by priyanka.c

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Find out the place value of the number 4 according to international place value system 85, 140, 365, 782

asked Oct 19, 2017 by priyanka.c

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Find out the difference between greatest 7 digit number and greatest 6 digit number

asked Oct 19, 2017 by priyanka.c

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Binny read a boo. She read 40 pages on first day 30 pages on second day, third day she did not read. On fourth and fifth day she completed 60 pages together. If she finishes the book in a week which was 780 pages how many was left over to her to read.

asked Oct 19, 2017 by priyanka.c

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Read the following passage below and answer the given question Some of the conventional sources of energy have poor efficiency and produce a lot of smoke because of incomplete combustion. A few example are wood, animal dung, agricultural wastes etc; Wood has poor efficiency because only 8% of the wood is utilized as fuel. This results in incomplete combustion. Also, it produces gases like carbon di oxide which is hazardous to our health. Animal dung when mixed with mud and made in the form of cakes,which are then dried and burnt are also used for domestic purpose. As it burns, it produces a lot of smoke and hence results in air pollution. Agricultural wastes like sugarcane are burnt for use in industries. This is more preferable for biogas plants. QUESTION : Animal dung and agricultural waste are preferable for

asked Oct 17, 2017 by priyanka.c

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Read the following passage and answer the question given below Some of the conventional sources of energy have poor efficiency and produce a lot of smoke because of incomplete combustion. A few examples are wood, animal dung, agricultural wastes, etc; Wood has poor efficiency because only 8% of the wood is utilized as fuel. The results in incomplete combustion. Also, it produces gases like carbon di oxide which is hazardous to our health. Animal dung when mixed with mud and made in the form of cakes, which are then dried and burnt are also used for domestic purpose. As it burns, it produces a lot of smoke and hence results in air pollution. Agricultural wastes lie sugarcane are burnt for use in industries. This is more preferable for biogas plants. QUESTION : The smoke which is produced by the conventional source is due to

asked Oct 17, 2017 by priyanka.c

0 answers

Two identical prisms A'B'C' are given. Which of the following placements will give maximum dispersion ?

asked Oct 17, 2017 by priyanka.c

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A red rose when seen through a green filter will appear

asked Oct 17, 2017 by priyanka.c

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The angle between two refracting faces of a prism is known as

asked Oct 17, 2017 by priyanka.c

1 answer

Which of the following correctly represents the variable of 1/u versus 1/v for a concave mirror?

asked Oct 17, 2017 by priyanka.c

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The magnification of a mirror in the case of a virtual and erect image is

asked Oct 17, 2017 by priyanka.c

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Which of the following figures correctly depicts the reflection of a ray of light on a spherical mirror?

asked Oct 17, 2017 by priyanka.c

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Air is not visible because it

asked Oct 17, 2017 by priyanka.c

1 answer

An electric motor operates on a 50V supply and draws a current of 12 A. If the motor yields a mechanical power of 300 W, what is the percentage efficiency of the motor?

asked Oct 17, 2017 by priyanka.c

1 answer

Calculate the current in a wire if a change of 2000 coulomb flows through it in 10 minutes

asked Oct 17, 2017 by priyanka.c

1 answer

The metal which has the lowest resistivity is

asked Oct 17, 2017 by priyanka.c

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A charged body at rest produces

asked Oct 17, 2017 by priyanka.c

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In which wire in an AC circuit is the switch introduced to operate the lights?

asked Oct 17, 2017 by priyanka.c

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Which of the following statements are correct? 1. The magnetic lines of force are always continuous loops, so they are endless. 2. The lines of force always starts from the south pole to north pole 3. Soft iron core is generally not preferred for solenoid 4. Force of the moving charge is maximum when it moves perpendicular to the direction pf the magnetic field.

asked Oct 17, 2017 by priyanka.c

1 answer

The main constituent of LPG is

asked Oct 11, 2017 by priyanka.c

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What type of solar cells can convert energy from both the visible as well as infrared radiation into electricity?

asked Oct 11, 2017 by priyanka.c

1 answer

The rule which determines the polarity of a circular current loop is

asked Oct 11, 2017 by priyanka.c

1 answer

The material used for making electro magnets is

asked Oct 11, 2017 by priyanka.c

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An electric geyser has ratings 1000W, 220V marked on it. What should be the minimum rating in whole number of a fuse wire, that may be required for safe use with this geyser ?

asked Oct 11, 2017 by priyanka.c

1 answer

An electric bulb is connected to a 220V generator. The current is 0.50 A. What is the power of the bulb ?

asked Oct 11, 2017 by priyanka.c

1 answer

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