McqMate
1. |
Two numbers are in the ratio 5:7. If the sum of the numbers is 192, then the greater number is |
A. | 112 |
B. | 102 |
C. | 116 |
D. | 108 |
Answer» A. 112 |
2. |
x varies inversely as y and if x = 3 then y = 4. If y = 6 then the value of x is |
A. | 3 |
B. | 1 |
C. | 2 |
D. | 2.5 |
Answer» C. 2 |
3. |
A sum will be double itself at a simple interest p.a. in 8 years. The simple interest is |
A. | 10% |
B. | 10.5% |
C. | 12% |
D. | 12.5% |
Answer» D. 12.5% |
4. |
If (x – 1), (x + 1) and (2x + 3) are in A.P, then the value of x is |
A. | -2 |
B. | 0 |
C. | 2 |
D. | 4 |
Answer» B. 0 |
5. |
The 8th term of the series 256, 128, 64 ….. is |
A. | 2 |
B. | 4 |
C. | 8 |
D. | 16 |
Answer» A. 2 |
6. |
If 2x – 1 + 2x + 1 = 80, then the value of x is |
A. | 8 |
B. | 4 |
C. | 20 |
D. | 10 |
Answer» C. 20 |
7. |
If a and b be the roots of the equation 2x2 + 2x – 3 = 0 then the value of 2ab is |
A. | - 6 |
B. | 3 |
C. | 1 |
D. | - 3 |
Answer» D. - 3 |
8. |
The value of 3P3 – 3C3 is |
A. | 0 |
B. | 5 |
C. | 6 |
D. | 1 |
Answer» B. 5 |
9. |
P and Q are two non-empty sets. Given: n(P) = 12, n(Q) = 6 and n (P U Q) = 10. Then n (P ∩ Q) is |
A. | 8 |
B. | 9 |
C. | 7 |
D. | 0 |
Answer» A. 8 |
10. |
Six years before the ratio of the ages of two sisters Mitali and Sonali is 2 : 3. If the present age of Mitali is 30 years, then the present age of Sonali is |
A. | 28 years |
B. | 42 years |
C. | 36 years |
D. | 48 years |
Answer» B. 42 years |
11. |
Find the compound interest on 4,000 for 2 years at 5% p.a. |
A. | 400 |
B. | 405 |
C. | 415 |
D. | 410 |
Answer» D. 410 |
12. |
The value of logarithm of 8 to the base 2 is |
A. | 3 |
B. | 0 |
C. | 1 |
D. | 2 |
Answer» A. 3 |
13. |
If 2nP3 = 84. nP2, then the value of n is |
A. | 16 |
B. | 11 |
C. | 9 |
D. | 6 |
Answer» B. 11 |
14. |
Product of the two roots of the quadratic equation 3x2 – 5x + 2 = 0 is |
A. | 2/5 |
B. | 3/2 |
C. | 2/3 |
D. | 5/3 |
Answer» C. 2/3 |
15. |
If P and Q are two disjoint sets, then n (P ∩ Q) is |
A. | 1 |
B. | 0 |
C. | 2 |
D. | 3 |
Answer» B. 0 |
16. |
If p varies directly as q and if q = 2 then p = 4. If p = 2, the value of q is |
A. | 1.5 |
B. | 2 |
C. | 1 |
D. | 3 |
Answer» C. 1 |
17. |
A man deposited a sum of money to a bank at 9% simple interest p.a. The total interest that he will get at the end of 5 years is 1,620. The deposited amount is |
A. | 6,000 |
B. | 4,000 |
C. | 3,600 |
D. | 4,400 |
Answer» C. 3,600 |
18. |
The mean proportional between 4 and 16 is |
A. | 8 |
B. | 10 |
C. | 9 |
D. | + 8 |
Answer» D. + 8 |
19. |
The 6th term of an A.P 2, 5, 8 ……… is |
A. | 18 |
B. | 16 |
C. | 17 |
D. | 19 |
Answer» C. 17 |
20. |
The 7th term of the series 16, 8, 4, 2 ……… is |
A. | 1/8 |
B. | 1/4 |
C. | 1/2 |
D. | 1/16 |
Answer» B. 1/4 |
21. |
If A ∁ B and n (A) = 18, n (B) = 40, then n (A ∩ B) is |
A. | 18 |
B. | 22 |
C. | 58 |
D. | 40 |
Answer» A. 18 |
22. |
The ratio of work done by (x + 2) men in (x – 2) days to that (x – 1) men in (x + 1) days is 4 : 5, the value of x is |
A. | + 4 |
B. | 6 |
C. | 4 |
D. | 8 |
Answer» C. 4 |
23. |
The mean proportional between 2 and 8 is |
A. | 4 |
B. | 16 |
C. | 3 |
D. | 1 |
Answer» A. 4 |
24. |
The 7th term of the Arithmetic Progression (AP) 7, 10, 13, 16, …… is |
A. | 28 |
B. | 22 |
C. | 25 |
D. | 20 |
Answer» C. 25 |
25. |
The value of logarithm of 1 to the base 10 is |
A. | 2 |
B. | 10 |
C. | 0 |
D. | 1 |
Answer» C. 0 |
26. |
If nP4 = 30 x nP2, then the value of n is |
A. | 10 |
B. | 8 |
C. | 6 |
D. | 5 |
Answer» B. 8 |
27. |
The sum of the roots of the quadratic equation x2 – 3x = 0 is |
A. | 1 |
B. | 0 |
C. | -3 |
D. | 3 |
Answer» D. 3 |
28. |
If 3x – 1 – 3x – 3 = 8, then the value of (x2 – x + 4) is |
A. | 10 |
B. | 8 5 |
C. | 12 |
D. | 15 |
Answer» A. 10 |
29. |
The mean proportional between 9 and 25 is |
A. | 17 |
B. | 15 |
C. | 225 |
D. | 16 |
Answer» B. 15 |
30. |
p varies inversely as q. If p = 2 then q = 3. Find p if q = 2. |
A. | 3 |
B. | 4 |
C. | 1 |
D. | 0 |
Answer» A. 3 |
31. |
A person deposits 2,000 at 6% p.a. simple interest for 3 years. The amount he will get back after 3 years is |
A. | 2,300 |
B. | 2,400 |
C. | 2,360 |
D. | 2350 |
Answer» C. 2,360 | |
Explanation: The amount that the person will get back after 3 years is 2,000 * 6% * 3 = 360. So the total amount the person will receive after 3 years is 2,000 + 360 = 2,360 |
32. |
Find the 10th term of the A.P 3, 6, 9, 12, 15, …………….. |
A. | 20 |
B. | 25 |
C. | 23 |
D. | 30 |
Answer» D. 30 |
33. |
The produce of 3 terms in a G.P is 125. The middle term is |
A. | 3 |
B. | 4 |
C. | 5 |
D. | 6 |
Answer» C. 5 |
34. |
The value of 5C2 is |
A. | 10 |
B. | 9 |
C. | 11 |
D. | 5 |
Answer» A. 10 |
35. |
For a quadratic equation x2 – 2x + 1 = 0, the product of the roots is |
A. | - 1 |
B. | 1 |
C. | 0 |
D. | 2 |
Answer» B. 1 |
36. |
The value of logarithm of 1/10 to the base 10 is |
A. | 1 |
B. | -1 |
C. | 0 |
D. | 10 |
Answer» B. -1 |
37. |
Three numbers are in the ratio 5 : 7 : 12 and the sum of the first and third numbers is greater than the second by 50. The sum of the three numbers is |
A. | 130 |
B. | 120 |
C. | 128 |
D. | 125 |
Answer» B. 120 |
38. |
In a certain time Rs. 1400 becomes Rs. 1848 at 8% p.a. simple interest. When 2,100 will become 2,604 at the same time, the rate of interest is |
A. | 8.2% |
B. | 7% |
C. | 10% |
D. | 6% |
Answer» D. 6% |
39. |
The year by which a sum of rupees would be 1.21 times of itself at 10% per annum C.I is |
A. | 2 years |
B. | 3 years |
C. | 3.5 years |
D. | 2.5 years |
Answer» A. 2 years |
40. |
If S be the set of all prime numbers and M = ሼ𝒙 ∶ 𝟎 𝒙 𝟗ሽ then M – (S ∩ M) is |
A. | ሼ𝟎, 𝟏, 𝟒, 𝟔, 𝟖, 𝟗ሽ |
B. | ሼ𝟎, 𝟒, 𝟔, 𝟖ሽ |
C. | ሼ𝟏, 𝟐, 𝟒, 𝟔, 𝟖ሽ |
D. | ሼ𝟏, 𝟑, 𝟓, 𝟕ሽ |
Answer» A. ሼ𝟎, 𝟏, 𝟒, 𝟔, 𝟖, 𝟗ሽ |
41. |
If a = b2 = c3, then the value of loga(abc) is |
A. | 13/3 |
B. | 11/6 |
C. | 8/3 |
D. | 4 |
Answer» B. 11/6 |
42. |
Which term 128 is of the progression 1, 2, 4, 8, …….? |
A. | 8th term |
B. | 7th term |
C. | 9th term |
D. | 10th term |
Answer» A. 8th term |
43. |
If 5Cr – 3C2 = 7C1, then r is |
A. | 4 |
B. | 3 |
C. | 2 |
D. | both 2 and 3 |
Answer» D. both 2 and 3 |
44. |
y = A + B where A and B vary directly and inversely respectively with x; x = 1 when y = 11 and x = 2 when y = 13. The value of y when x = 3 is |
A. | 15 |
B. | 17 |
C. | 19 |
D. | 20 |
Answer» B. 17 |
45. |
The value of log7 7 is |
A. | 0 |
B. | - 1 7 |
C. | 1/2 |
D. | 1 |
Answer» D. 1 |
Done Reading?