[PSSSB SCIENTIFIC ASSISTANT, 2024]
1. In a row of girls, If X who is 10th from the left and Y who is 9th from the right, interchange their positions, then X becomes 15th from the left. How many girls are there in the row?
23
31
27
28
2. If all the vowels are dropped from the below arrangement which of the following will be the twelfth from the left end of the arrangement?
A E C B % 7 D $ E B 5 C ? 3 D E 9 @ 2 #
3
@
D
9
3. If South-East becomes North, North-East becomes West and so on. What will West become?
North-East
North-West
South-East
South-West
4. Find the missing alphabet in the given sequence?
W, S, O, ?, G, C
I
K
H
J
5. What is the value of x in the following equation?
\(16^{2.5} \times 16^{x} = 16^7\)
3.9
4.5
3.7
4.1