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Recent questions and answers in Class 8

Questions >> Olympiad-Math >> Class 8

Very small numbers can be expressed in standard form using _________ exponents .

answered Jul 12, 2020 by charansengupta39149

2 answers

A mit bought a stereo for $Rs. 4500$ and sold it for $Rs. 4230$ . Find his gain or loss %

answered Jul 25, 2019 by ruchidavda78

1 answer

In a toy company , it required 36 machines to produce a car toys in 54 days . How many machines would be required to produce the same number of car toys in 81 days .

answered Feb 28, 2019 by vrittibhutada1201

2 answers

Find the smallest number by which 252 must be mutiplied to make it a perfect square.

answered Sep 27, 2018 by yshubh0101

4 answers

If 15 workers can build a wall in 48 hours how many workers will be required to do the same work in 30 hours.

answered Sep 17, 2018 by akgm0707

2 answers

Find the smallest number by which $396$ must be divided so as to get a perfect square.

answered May 9, 2018 by s.rimmi

2 answers

The perimeter of a rectangular swimming pool is $154\;m$ Its length is 2 m more than twice is breadth , What are the length and breadth of the pool ?

answered Apr 18, 2018 by yadavgagan798

2 answers

Find the area of the rhombus if the length of each side be $7\;cm$ and corresponding altitude is $8\;cm$

answered Feb 25, 2018 by achaldoshi23

2 answers

F is brother of A, C is the daughter of A, K is the sister of F and G is the brother of C then who is the uncle of G.

answered Jan 31, 2017 by shailendraji1974

2 answers

Find the least number which must be subtracted from 402 so as to get a perfect square.

answered Sep 24, 2016 by 4378.stkabirdio

1 answer

A shopkeeper looses $20 \%$ by selling a bicycle for $Rs. 1536$. Find the cost price of the bicycle.

answered Jun 29, 2016 by sharmaaparna1

1 answer

Solve : $(-1)^{13147}=? $

answered Sep 1, 2015 by pady_1

1 answer

Line A is $\perp$ to Line C is $\perp$ D. If line B is $\parallel$ C. Which of the following is correct ?

answered Aug 31, 2015 by meena.p

1 answer

Ram drew a parallelogram, Then he cut along the line and slide

answered Aug 31, 2015 by meena.p

1 answer

$40,41,45,54,70, ?$

answered Aug 31, 2015 by meena.p

1 answer

$101,106,115,?,145,166,191$

answered Aug 31, 2015 by meena.p

1 answer

How is it possible to travel for ten days without sleep ?

answered Aug 31, 2015 by meena.p

1 answer

What is one third of half of one third of one tenth of $180? $

answered Aug 31, 2015 by meena.p

1 answer

Rakesh purchased 20 dozens of belts at the rate of $Rs. 375$ per dozen . He sold each one of them at the rate of $Rs. 33$ what was his percentage profit ?

answered Aug 31, 2015 by meena.p

1 answer

Food : stomach : Fuel : ?

answered Aug 31, 2015 by meena.p

1 answer

Doctor : Nurse : : leader:

answered Aug 31, 2015 by meena.p

1 answer

Trivandrum : Kerala : Bombay : ?

answered Aug 31, 2015 by meena.p

1 answer

Akash starts a business with $Rs.45,000$ Prakash joins in the business after 3 months with $Rs. 30,000$ What will be the ratio in which they should share the profit at the end of the year ?

answered Aug 31, 2015 by meena.p

1 answer

On dividing a certain number by $234$ we get $43$ as remainder. If the same number is divided by $13$ What will be the remainder .

answered Aug 31, 2015 by meena.p

1 answer

LOGIC : BHFNK ::CLERK

answered Aug 31, 2015 by meena.p

1 answer

$BH: KQ ::FL$

answered Aug 31, 2015 by meena.p

1 answer

Siva Reddy walked 2 km west of his house and then turned south covering 4 km . Finally he moved 3 km towards east and then again 1 km west. How far is he from his initial position ?

answered Aug 31, 2015 by meena.p

1 answer

***, GAF,HAI,IAH _________

answered Aug 31, 2015 by meena.p

1 answer

SCD,TEF,UGH,______,WKL

answered Aug 31, 2015 by meena.p

1 answer

Look at the series $1.5,2.3,3.1,3.9$ What number should be come next?

answered Aug 31, 2015 by meena.p

1 answer

In the series $3,4,7,8,11,12$ What number should come next ?

answered Aug 31, 2015 by meena.p

1 answer

In the series $21,9,21,11,21,13,21$ What number should come next ?

answered Aug 31, 2015 by meena.p

1 answer

In the series $36,34,30,28,24 ......$ What number should come next ?

answered Aug 31, 2015 by meena.p

1 answer

Look at this series $2,1,,\large\frac{1}{2},\frac{1}{4}.....$ What number should come next?

answered Aug 31, 2015 by meena.p

1 answer

If weight of a cuboid of size $20\;cm \times 10\;cm \times 15\;cm$ is $50\;kg$ find the weight of another cuboid of same material with size $20\;cm \times 9\;cm \times 13\;cm$

answered Aug 31, 2015 by meena.p

1 answer

Ajay plays squash every 3 rd day . If he played squash on Friday after how many days will he play squash again on a sunday

answered Aug 31, 2015 by meena.p

1 answer

Rohit is the brother of the son of surjeet's son. How is Rohit related to surjeet ?

answered Aug 31, 2015 by meena.p

1 answer

If Mathew writes all the numbers from 6 to 90. Which are divisible by 6. What will be the number at 8th position ?

answered Aug 31, 2015 by meena.p

1 answer

If reflection of clock in mirror shows times as $4:20$ find the actual time

answered Aug 31, 2015 by meena.p

1 answer

Uncle is to Aunt as father is to ?

answered Aug 31, 2015 by meena.p

1 answer

Ajay covers a certain distance in a certain times. If $\large\frac{1}{4}$ of the distance is covered in $\large\frac{3}{4}$ of the time with speed $V_1$ and the rest of the $\large\frac{3}{4}$ distance in $\large\frac{1}{4}$ of the time with speed $V_2$ then find the ratio $V_1:V_2$

answered Aug 31, 2015 by meena.p

1 answer

If Pranav writes all the numbers from 9 to 162 which are divisible by 9. What will be the number at 7th position ?

answered Aug 31, 2015 by meena.p

1 answer

In a month of 31 days , if it is monday on a given date of the month . Find the day on the same date of next month .

answered Aug 31, 2015 by meena.p

1 answer

There are five small rectangles in a big rectangle in every small rectangle . How many rectangles are there in all ?

answered Aug 31, 2015 by meena.p

1 answer

Ankeer plays tennis every 3rd day and plays football every 7th day. He played both tennis and football on 8th july. What is the next date when he will play both games ?

answered Aug 31, 2015 by meena.p

1 answer

If $47=121$ and $3 5=64$ then find the value of $2 *1$

answered Aug 31, 2015 by meena.p

1 answer

One morning after sunrice Aamer was standing facing a pole. The shadow of the pole fill exactly to his right. Which direction to his right. Which direction was he facing ?

answered Aug 31, 2015 by meena.p

1 answer

Balvinder says " Tina is the wife of the grandson of my mother what is the relation of Balvinder to Tina ?

answered Aug 31, 2015 by meena.p

1 answer

What is the next number in the series $1,2,4,3,9?$

asked Aug 28, 2015 by meena.p

1 answer

Find the one's digit of the square of $56399704$

asked Aug 28, 2015 by meena.p

1 answer

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