The smallest prime number is:
Question:
The smallest prime number is:
[A].
1
2
3
4
The smallest prime number is:
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
The smallest prime number is 2.
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Which of the following is equal to 3.14 x 106 ?
Question:
Which of the following is equal to 3.14 x 106 ?
[A].314 [B].
3140 [C].
3140000 [D].
None of these Answer: Option C
Explanation:
3.14 x 106 = 3.14 x 1000000 = 3140000.
On dividing a number by 68, we get 269 as quotient and 0 as remainder. On dividing the same number by 67, what will the remainder ?
Question:
On dividing a number by 68, we get 269 as quotient and 0 as remainder. On dividing the same number by 67, what will the remainder ?
[A].0 [B].
1 [C].
2 [D].
3 Answer: Option B
Explanation:
Number = 269 x 68 + 0 = 18292
67) 18292 (273
134
—-
489
469
—-
202
201
—
1
—Therefore, Required remainder = 1
How many times in a day, the hands of a clock are straight?
Question:
How many times in a day, the hands of a clock are straight?
[A].22 [B].
24 [C].
44 [D].
48 Answer: Option C
Explanation:
In 12 hours, the hands coincide or are in opposite direction 22 times.
In 24 hours, the hands coincide or are in opposite direction 44 times a day.
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
The compound interest on a certain sum for 2 years at 10% per annum is Rs. 525. The simple interest on the same sum for double the time at half the rate percent per annum is:
Question:
The compound interest on a certain sum for 2 years at 10% per annum is Rs. 525. The simple interest on the same sum for double the time at half the rate percent per annum is:
[A].Rs. 400 [B].
Rs. 500 [C].
Rs. 600 [D].
Rs. 800 Answer: Option B
Explanation:
Let the sum be Rs. P.
Then, P 1 + 10 2 – P = 525 100 P 11 2 – 1 = 525 10 P = 525 x 100 = 2500. 21 Sum = Rs . 2500.
So, S.I. = Rs. 2500 x 5 x 4 = Rs. 500 100 Ravi and Kumar are working on an assignment. Ravi takes 6 hours to type 32 pages on a computer, while Kumar takes 5 hours to type 40 pages. How much time will they take, working together on two different computers to type an assignment of 110 pages?
Question: Ravi and Kumar are working on an assignment. Ravi takes 6 hours to type 32 pages on a computer, while Kumar takes 5 hours to type 40 pages. How much time will they take, working together on two different computers to type an assignment of 110 pages?
[A].7 hours 30 minutes [B].
8 hours [C].
8 hours 15 minutes [D].
8 hours 25 minutes Answer: Option C
Explanation:
Number of pages typed by Ravi in 1 hour = 32 = 16 . 6 3 Number of pages typed by Kumar in 1 hour = 40 = 8. 5 Number of pages typed by both in 1 hour = 16 + 8 = 40 . 3 3 Time taken by both to type 110 pages = 110 x 3 hours 40 = 8 1 hours (or) 8 hours 15 minutes. 4