What is the Sum of First 70 even Numbers?
What is the Sum of First 70 even Numbers?
A. 4970
B. 4950
C. 4900
D. 4980
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Find the greatest number which is such that when 697, 909 and 1227 are divided by it, the remainders are all the same?
Find the greatest number which is such that when 697, 909 and 1227 are divided by it, the remainders are all the same?A. 53
B. 112
C. 108
D. 106If 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 sum at the rate and for the same time?
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 sum at the rate and for the same time?A. Rs. 51.25
B. Rs. 52
C. Rs. 54.25
D. Rs. 60
Explanation:
Sum = (50 * 100) / (2 * 5) = Rs. 500
Amount = [500 * (1 + 5/100)2] = Rs. 551.25
C.I. = (551.25 – 500) = Rs. 51.25.By selling an umbrella for Rs. 300, a shop keeper gains 20%. During a clearance sale, the shopkeeper allows a discount of 10% on the marked price. His gain percent during the sale is:________?
By selling an umbrella for Rs. 300, a shop keeper gains 20%. During a clearance sale, the shopkeeper allows a discount of 10% on the marked price. His gain percent during the sale is:________?A. 7
B. 7.5
C. 8
D. 9
Explanation:
Marked price = Rs. 300
C.P. = 100/120 * 300 = Rs. 250
Sale price = 90% of Rs. 300 = Rs. 270
Required gain % = 20/250 * 100 = 8%.Find the least square number which is divisible by 10, 12, 15 and 18?
Find the least square number which is divisible by 10, 12, 15 and 18?A. 1600
B. 900
C. 3600
D. 2500The monthly incomes of A and B are in the ratio 5 : 2. B’s monthly income is 12% more than C’s monthly income. If C’s monthly income is Rs. 15000, then find the annual income of A?
The monthly incomes of A and B are in the ratio 5 : 2. B’s monthly income is 12% more than C’s monthly income. If C’s monthly income is Rs. 15000, then find the annual income of A?A. Rs. 420000
B. Rs. 180000
C. Rs. 201600
D. Rs. 504000
E. None of these
Explanation:
B’s monthly income = 15000 * 112/100 = Rs. 16800
B’s monthly income = 2 parts —-> Rs. 16800
A’s monthly income = 5 parts = 5/2 * 16800 = Rs. 42000
A’s annual income = Rs. 42000 * 12 = Rs. 504000A single discount equivalent to the discount series of 20%, 10% and 5% is_______?
A single discount equivalent to the discount series of 20%, 10% and 5% is_______?A. 25%
B. 30%
C. 31.6%
D. 33.5%
Explanation:
100*(80/100)*(90/100)*(95/100) = 68.4
100 – 68.4 = 31.6