Question
The average age of three children is 22 years. If their
ages are in the ratio 2:4:5. Find the age of the youngest child. Section 3Solution
Total age of three children = 22 × 3 = 66 years Let their ages be 2x, 4x and 5x respectively. => 2x + 4x + 5x = 66 => 11x = 66 => x = 6 Therefore the age of youngest child = 6 × 2 = 12 years
In the following number series only one number is wrong. Find out the wrong number.
18, 119, 708, 3534, 14136, 42405
In a certain code language, 'PQRS' is written as "HIJK'. How will 'XYZA' be written as in the same coding language?
Statements:
I. Some Mirrors are not Glasses.
II. All Glasses are Strong.
III. Some Strong are Fragile.
Conclusions:
...Which of the following groups of letters when sequentially placed from left to right will complete the given series?
aaaa_ bbbbbaaaa_ bbbbb_ ...
A paper is folded and cut as shown below. How will it appear when unfolded?
A paper is folded and cut as shown below. How will it appear when unfolded ?
Five girls P, Q, R, S and T sit around a circular table facing towards the centre (not necessarily in the same order). Only one girl sits between S and ...
Complete the missing portion of the given pattern by selecting from the given options.
The sequence of folding a piece of paper and the manner in which the folded paper is cut is shown in the following figures. How would this paper look wh...
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...