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Aptitude > Math > HCF and LCM

1 If the simple interest on a sum of money for 2 years at 5% per annum is Rs. 50, what is the compound interest on the same at the same rate and for the same time?
 
1 Rs.53
2Rs.54
3Rs.51.25
4Rs.52
 
Answer: Option3
2 The product of two numbers is 4107. If the H.C.F of these numbers is 37, then the greater number is
 
1185
2107
3111
4101
 
Answer: Option3
3 The L.C.M of 22, 54, 108, 135 and 198 is
 
11980
211880
3330
45940
 
Answer: Option4
4 If the sum of two numbers is 55 and the H.C.F and L.C.M of these numbers are 5 and 120 respectively, then the sum of the reciprocals of the numbers is equal to
 
155/601
2120/11
311/120
4601/55
 
Answer: Option3
5 Calculate the periodic interest rate corresponding to:9.0% compounded quarterly
 
12.25
2 6.25
33.45
45.25
 
Answer: Option1
6 Find the finance charge for an average daily balance of $8431.10 with monthly interest rate of 1.4%
 
188.04
2118.04
398.04
468.04
 
Answer: Option2
7 At 3% annual interest compounded monthly, how long will it take to double your money?
 
121.1
220.1
322.1
423.1
 
Answer: Option4
8 The least number which when divided by 5, 6 , 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder, is:
 
11677
22523
3 3363
41683
 
Answer: Option4
9 Six bells commence tolling together and toll at intervals of 2, 4, 6, 8 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together ?
 
115
24
310
416
 
Answer: Option4
10 Which of the following has most number of divisors?
 
1101
2182
399
4176
 
Answer: Option4
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