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Preview (10 questions)
1 Question
30 seconds
Q.

The average of the squares of natural numbers from 1 to 35 is _______.

1225

426

324
2 Question
30 seconds
Q.

Guess the 4th proportional in 9, 13, and 153.

181

175

221
3 Question
30 seconds
Q.

Find S: T: U: V when S: T = 2: 3; T: U = 7: 9 ; U: V = 5: 7

70: 105: 135: 189

105: 115: 236: 189

70: 124: 155: 201
4 Question
30 seconds
Q.

A 31m long train passes a platform of 195 m long. The distance covered by the train in passing the platform is ______.

206

164

226
5 Question
30 seconds
Q.

The successive discounts are 10%, 20%, and 30%. What's the single equivalent discount?

60%

40.56%

49.6%
6 Question
30 seconds
Q.

If 15% of A is the same as 21% of D, then 12.5% of A is equal to what percent of D?

20%

17.5%

13%
7 Question
30 seconds
Q.

Pick out the largest fraction:

5/8, 3/7, 2/9, 4/5

3/7

5/8

4/5

2/9
8 Question
30 seconds
Q.

_______ and _______ are the rational numbers lie between 1/3 and 4/5.

693/1000, 22/30

1/6, 5/6

1/2, 1/4
9 Question
30 seconds
Q.

Find the HCF of 36/75, 48/150, and 72/135.

150/36

12/1350

1350/36
10 Question
30 seconds
Q.

If W:X = 5:7 and Y:Z = 2W:3X, then WY : XZ is?

50:147

10:21

50:151