22, 33, 66, 99, 121, 279, 594
Question:
22, 33, 66, 99, 121, 279, 594
[A].
33
121
279
594
22, 33, 66, 99, 121, 279, 594
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
Each of the number except 279 is a multiple of 11.
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The present worth of a certain bill due sometime hence is Rs. 800 and the true discount is Rs. 36. The banker’s discount is:
Question:
The present worth of a certain bill due sometime hence is Rs. 800 and the true discount is Rs. 36. The banker’s discount is:
[A].Rs. 37 [B].
Rs. 37.62 [C].
Rs. 34.38 [D].
Rs. 38.98 Answer: Option B
Explanation:
B.G. = (T.D.)2 = Rs. 36 x 36 = Rs. 1.62 P.W. 800 B.D. = (T.D. + B.G.) = Rs. (36 + 1.62) = Rs. 37.62
If the true discount on s sum due 2 years hence at 14% per annum be Rs. 168, the sum due is:
Question:
If the true discount on s sum due 2 years hence at 14% per annum be Rs. 168, the sum due is:
[A].Rs. 768 [B].
Rs. 968 [C].
Rs. 1960 [D].
Rs. 2400 Answer: Option A
Explanation:
P.W. = 100 x T.D. = 100 x 168 = 600. R x T 14 x 2 Sum = (P.W. + T.D.) = Rs. (600 + 168) = Rs. 768.
A grocer has a sale of Rs. 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 6500?
Question: A grocer has a sale of Rs. 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 6500?
[A].Rs. 4991 [B].
Rs. 5991 [C].
Rs. 6001 [D].
Rs. 6991 Answer: Option A
Explanation:
Total sale for 5 months = Rs. (6435 + 6927 + 6855 + 7230 + 6562) = Rs. 34009.
Required sale = Rs. [ (6500 x 6) – 34009 ]
= Rs. (39000 – 34009)
= Rs. 4991.
Video Explanation: https://youtu.be/tP4hszReksU
A towel, when bleached, was found to have lost 20% of its length and 10% of its breadth. The percentage of decrease in area is:
Question:
A towel, when bleached, was found to have lost 20% of its length and 10% of its breadth. The percentage of decrease in area is:
[A].10% [B].
10.08% [C].
20% [D].
28% Answer: Option D
Explanation:
Let original length = x and original breadth = y.
Decrease in area = xy – 80 x x 90 y 100 100 = xy – 18 xy 25 = 7 xy. 25 Decrease % = 7 xy x 1 x 100 % = 28%. 25 xy The sum of money at compound interest amounts to thrice itself in 3 years. In how many years will it be 9 times itself?
The sum of money at compound interest amounts to thrice itself in 3 years. In how many years will it be 9 times itself?A. 18
B. 12
C. 9
D. 6If one-third of one-fourth of a number is 15, then three-tenth of that number is:
Question: If one-third of one-fourth of a number is 15, then three-tenth of that number is:
[A].35 [B].
36 [C].
45 [D].
54 Answer: Option D
Explanation:
Let the number be x.
Then, 1 of 1 of x = 15 x = 15 x 3 x 4 = 180. 3 4 So, required number = 3 x 180 = 54. 10 Video Explanation: https://youtu.be/z49OUnzTnwY