10, 25, 45, 54, 60, 75, 80
Question:
10, 25, 45, 54, 60, 75, 80
[A].
10
45
54
75
10, 25, 45, 54, 60, 75, 80
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
Each of the numbers except 54 is multiple of 5.
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The population of a city increases at the rate of 4% p.a. but there is an additional annual increase of 1% in the population due to some job seekers. The percentage increase in the population after 2 years is_________?
The population of a city increases at the rate of 4% p.a. but there is an additional annual increase of 1% in the population due to some job seekers. The percentage increase in the population after 2 years is_________?A. 10
B. 11
C. 10.25
D. 10.15
Explanation:
100
5 —- I
5
0.25 — II
———–
10.25%If 2994 ÷ 14.5 = 172, then 29.94 ÷ 1.45 = ?
Question: If 2994 ÷ 14.5 = 172, then 29.94 ÷ 1.45 = ?
[A].0.172 [B].
1.72 [C].
17.2 [D].
172 Answer: Option C
Explanation:
29.94 = 299.4 1.45 14.5 = 2994 x 1 [ Here, Substitute 172 in the place of 2994/14.5 ] 14.5 10 = 172 10 = 17.2
Find the C.I. on a sum of Rs.1600 for 9 months at 20% per annum, interest being compounded quarterly?
Find the C.I. on a sum of Rs.1600 for 9 months at 20% per annum, interest being compounded quarterly?A. Rs.17684
B. Rs.1684
C. Rs.2522
D. Rs.3408
Explanation:
A = 1600(21/20)3 = 2522The sum of two number is 25 and their difference is 13. Find their product.
Question:
The sum of two number is 25 and their difference is 13. Find their product.
[A].104 [B].
114 [C].
315 [D].
325 Answer: Option B
Explanation:
Let the numbers be x and y.
Then, x + y = 25 and x – y = 13.
4xy = (x + y)2 – (x- y)2
= (25)2 – (13)2
= (625 – 169)
= 456
xy = 114.
The speed of a boat in still water in 15 km/hr and the rate of current is 3 km/hr. The distance travelled downstream in 12 minutes is:
Question: The speed of a boat in still water in 15 km/hr and the rate of current is 3 km/hr. The distance travelled downstream in 12 minutes is:
[A].1.2 km [B].
1.8 km [C].
2.4 km [D].
3.6 km Answer: Option D
Explanation:
Speed downstream = (15 + 3) kmph = 18 kmph.
Distance travelled = 18 x 12 km = 3.6 km. 60 Video Explanation: https://youtu.be/IDOwWUeOldQ
The market value of a 10.5% stock, in which an income of Rs. 756 is derived by investing Rs. 9000, brokerage being %, is:
Question:
The market value of a 10.5% stock, in which an income of Rs. 756 is derived by investing Rs. 9000, brokerage being %, is:
[A].Rs. 108.25 [B].
Rs. 112.20 [C].
Rs. 124.75 [D].
Rs. 125.25 Answer: Option C
Explanation:
For an income of Rs. 756, investment = Rs. 9000.
For an income of Rs. 21 , investment = Rs. 9000 x 21 = Rs. 125. 2 756 2 For a Rs. 100 stock, investment = Rs. 125.
Market value of Rs. 100 stock = Rs. 125 – 1 = Rs. 124.75 4