Find the value of x in the proportion 42 : 12 : 7: x
2
3
4
5
Find the value of 75% 8000
6000
5000
5500
4500
Find the number which is 15% less than 360
306
280
324
312
What is 25% of 25% ?
6.25
0.625
0.0625
0.00625
If 8 pens cost Rs.144,what will be the cost of 14 pens?
254
250
251
252
If a:b = b:c,then mean proportion between a and c =
a/b
√ac
√(a+b)
√(a2+ b2)
7.1
Sugar is bought at Rs .16.20 per kg and sold at Rs.17.28 per kg .The gain % is
6 3/2 %
6 2/3 %
3 1/3%
10%
The S.I on a certain sum for 3 years at 14 % per annum is Rs.235.20 .The sum is
Rs.480
Rs.560
Rs.650
Rs.720
