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Recent questions and answers in Class 8
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Olympiad-Math
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Class 8
Very small numbers can be expressed in standard form using _________ exponents .
olympiad
class8
math
ch-9
exponents-and-powers
answered
Jul 12
by
charansengupta39149
2
answers
A mit bought a stereo for $Rs. 4500$ and sold it for $Rs. 4230$ . Find his gain or loss %
olympiad
class8
math
ch-6
comparing-quantities
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 .
olympiad
class8
math
ch-10
direct-and-indirect-propaortions
answered
Feb 28, 2019
by
vrittibhutada1201
2
answers
Find the smallest number by which 252 must be mutiplied to make it a perfect square.
olympiad
math
ch-4
squares-and-squareroots
class8
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.
olympiad
class8
math
ch-10
direct-and-indirect-propaortions
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.
olympiad
class8
math
ch-4
squares-and-squareroots
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 ?
olympiad
math
ch-1
rational number
class8
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 $8\;cm$
olympiad
class8
math
ch-8
mensuration
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.
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
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.
olympiad
class8
math
ch-4
squares-and-squareroots
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.
olympiad
class8
math
ch-6
comparing-quantities
answered
Jun 29, 2016
by
sharmaaparna1
1
answer
Solve : $(-1)^{13147}=? $
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
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 ?
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
answered
Aug 31, 2015
by
meena.p
1
answer
Ram drew a parallelogram, Then he cut along the line and slide
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
answered
Aug 31, 2015
by
meena.p
1
answer
$40,41,45,54,70, ?$
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
answered
Aug 31, 2015
by
meena.p
1
answer
$101,106,115,?,145,166,191$
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
answered
Aug 31, 2015
by
meena.p
1
answer
How is it possible to travel for ten days without sleep ?
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
answered
Aug 31, 2015
by
meena.p
1
answer
What is one third of half of one third of one tenth of $180? $
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
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 ?
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
answered
Aug 31, 2015
by
meena.p
1
answer
Food : stomach : Fuel : ?
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
answered
Aug 31, 2015
by
meena.p
1
answer
Doctor : Nurse : : leader:
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
answered
Aug 31, 2015
by
meena.p
1
answer
Trivandrum : Kerala : Bombay : ?
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
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 ?
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
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 .
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
answered
Aug 31, 2015
by
meena.p
1
answer
LOGIC : BHFNK ::CLERK
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
answered
Aug 31, 2015
by
meena.p
1
answer
$BH: KQ ::FL$
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
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 ?
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
answered
Aug 31, 2015
by
meena.p
1
answer
***, GAF,HAI,IAH _________
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
answered
Aug 31, 2015
by
meena.p
1
answer
SCD,TEF,UGH,______,WKL
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
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?
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
answered
Aug 31, 2015
by
meena.p
1
answer
In the series $3,4,7,8,11,12$ What number should come next ?
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
answered
Aug 31, 2015
by
meena.p
1
answer
In the series $21,9,21,11,21,13,21$ What number should come next ?
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
answered
Aug 31, 2015
by
meena.p
1
answer
In the series $36,34,30,28,24 ......$ What number should come next ?
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
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?
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
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 $20\;cm \times 9\;cm \times 13\;cm$
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
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
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
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 ?
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
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 ?
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
answered
Aug 31, 2015
by
meena.p
1
answer
If reflection of clock in mirror shows times as $4:20$ find the actual time
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
answered
Aug 31, 2015
by
meena.p
1
answer
Uncle is to Aunt as father is to ?
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
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 $V_1:V_2$
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
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 ?
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
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 .
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
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 ?
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
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 ?
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
answered
Aug 31, 2015
by
meena.p
1
answer
If $4*7=121$ and $3 *5=64$ then find the value of $2 *1$
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
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 ?
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
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 ?
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
answered
Aug 31, 2015
by
meena.p
1
answer
What is the next number in the series $1,2,4,3,9?$
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
asked
Aug 28, 2015
by
meena.p
1
answer
Find the one's digit of the square of $56399704$
olympiad
class8
math
ch-15
logical-and-analytical-reasoning
asked
Aug 28, 2015
by
meena.p
1
answer
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