Question
A boy goes to school with a speed of 85 km/h and comes
back with a speed of 40 km/h. find his average speed?Solution
Since the distance travelled by a boy (going to school and coming back from school) is equal. So, average speed = 2xy/(x + y) Average speed = (2 x 85 x 40)/(85 + 40) Average speed = (2 x 85 x 40)/125 = 54.4 km/hr
In a family, there are seven persons, comprising two married couple, S is the only child of N and the granddaughter of L. N is a widow. N and Q are sist...
Select the option that is related to the sixth term in the same way as the second term is related to first term and the fourth term is related to the th...
- Select the option that is related to the third term in the same way as the second term is related to the first term and the sixth term is related to the fi...
Select the option that is related to the third word in the same way as the second word is related to the first word.
(The words must be consid...
If 47 # 56 = 159 and 28 # 38 = 104, then 35 # 49 = ?
Select the option that is related to first number in the same way third number is related to fourth number.
45: ? :: 58: 377
If ‘scanty’ is related to ‘meagre’, then ‘valiant’ is related to ‘_____’.
Select the option that is related to the third number in the same way as the first number is related to second number and the fifth number is related t...
Select the related word/letters/number from the given alternatives.
7: 56 :: 5:?
Select the option that is related to the fifth letter-cluster in the same way as the second letter-cluster is related to the first letter cluster and th...
Relevant for Exams:
