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- Question
What is the simplified value of [2/(cot A ? tan A)]?
Options- A. sin A cos A
- B. tan 2A
- C. sin2 A
- D. cos2 A
- Correct Answer
- tan 2A
- 1. Out of the fractions, 4/7, 5/13, 6/11, 3/5 and 2/3, which is the second smallest fraction?
Options- A. 4/7
- B. 5/13
- C. 6/11
- D. 3/5 Discuss
- 2. What is the rate of interest when the P.W. of $ 1245 due in 15 months is $ 1200?
Options- A. 3%
- B. 4%
- C. 6%
- D. 5% Discuss
- 3. Find the cost of Rs. 15000, 5 1/ 2%, stock at 99? (Brokerage 1%)
Options- A. Rs. 15000
- B. Rs. 12500
- C. Rs. 13000
- D. None of these Discuss
- 4. n books are to be arranged on a self. These include m volumes of a science book (m < n). The probability that in any arrangement, the volumes of science books are in ascending order is?
Options- A. 1/ n!
- B. 1/n-m!
- C. 1/m!
- D. m!/n! Discuss
- 5. 10, 25, 45, 54, 60, 75, 80?
Options- A. 10
- B. 45
- C. 54
- D. 75 Discuss
- 6. The largest 5 digit number exactly divisible by 91 is:
Options- A. 99921
- B. 99918
- C. 99981
- D. 99971
- E. None of these Discuss
- 7. Solve the following:
0.001 /? = 0.01
Options- A. 10
- B. .1
- C. .01
- D. .001 Discuss
- 8. A number when divide by 6 leaves a remainder 3. When the square of the number is divided by 6, the remainder is:
Options- A. 0
- B. 1
- C. 2
- D. 3 Discuss
- 9. Find the sum of even number below 1672 (including it).?
Options- A. 699831
- B. 699731
- C. 699832
- D. 699732 Discuss
- 10. At what time between 9 and 10 o'clock will the hands of a clock be in the same straight line but not together?
Options- A. 9 :164/11
- B. 9 :154/11
- C. 9 :174/11
- D. None of these Discuss
More questions
Correct Answer: 6/11
Explanation:
4/7 = 0.57,
5/13 = 0.38,
6/11 = 0.54,
3/5 = 0.6,
2/3 = 0.67
Clearly, the second smallest fraction is 6/11.
Correct Answer: 3%
Explanation:
Correct Answer: Rs. 15000
Explanation:
Rs. 15000 x (99 + 1)/100 = Rs. 15000
Correct Answer: 1/m!
Explanation:
Corresponding to each arrangement of (n - m) other books, there is a unique arrangement of the m volumes of the science book in ascending order and m! arrangement of the m volumes in random order
&Reqd. Prob = p = 1/m!
Correct Answer: 54
Explanation:
Each of the number except 54, is a multiple of 5.
Correct Answer: 99918
Explanation:
Largest 5-digit number = 99999
91) 99999 (1098
91
---
899
819
----
809
728
---
81
---
Required number = (99999 - 81)
= 99918.
Correct Answer: .1
Explanation:
Let 0.001 / x = 0.01
Then , x = 0.001 / 0.01
= 0.001 / 0.010
= 1 / 10
= 0.1
Correct Answer: 3
Explanation:
Let x = 6 q + 3.
Then, x2 = (6q + 3)2
= 36q2 + 36q + 9
= 6(6q2 + 6q + 1) + 3
Thus, when x2 is divided by 6, then remainder = 3.
Correct Answer: 699732
Explanation:
Sum of even numbers = n/2[(n/2) + 1)] = (1672/2) x [(1672/2) + 1]
= 699732
Correct Answer: 9 :164/11
Explanation:
9 :164/11
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