The average of the squares of natural numbers from 1 to 35 is _______.
1225
426
324
Guess the 4th proportional in 9, 13, and 153.
181
175
221
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
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
The successive discounts are 10%, 20%, and 30%. What's the single equivalent discount?
60%
40.56%
49.6%
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%
Pick out the largest fraction:
5/8, 3/7, 2/9, 4/5
3/7
5/8
4/5
2/9
_______ and _______ are the rational numbers lie between 1/3 and 4/5.
693/1000, 22/30
1/6, 5/6
1/2, 1/4
Find the HCF of 36/75, 48/150, and 72/135.
150/36
12/1350
1350/36
If W:X = 5:7 and Y:Z = 2W:3X, then WY : XZ is?
50:147
10:21
50:151
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