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6.
A sum of Rs. 750 is distributed among A, B, C and D in such a manner that A gets as much as B and C together, B gets Rs. 125 more than C and D gets as much as C. What is A’s share?
- A.Rs. 100
- C.Rs. 275
- B.Rs. 225
- D.Rs. 325
- Answer & Explanation
- Report
Answer : [D]
Explanation :
Explanation :
| Let D's share = Rs. x. Then, C's share = Rs. x. | ||||||
| B's share = Rs. (x + 125). A's share = Rs. (x + x + 125) = Rs. (2x + 125) | ||||||
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| Hence, A's share = 2x + 125 = Rs. (2 x 100 + 125) = Rs. 325. | ||||||
7.
In a classroom, if 6 students per bench are assigned to accommodate all students, one more bench will be required. However, if 7 students are accommodated per bench, there would be a space left for 5 students. What is the number of students in the class?
- A.30
- C.72
- B.42
- D.None of these
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
| Let the number of benches in the class be x. | |||||
| Then, 6 (x + 1) = 7x - 5 | |||||
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| Hence, number of students in the class = 6 (x + 1) = 6 x 12 = 72. | |||||
8.
| The value of 0.008 x 0.01 x 0.0072 | (0.12 x 0.0004) is : |
- A.0.012
- C.1.02
- B.0.12
- D.1.2
- Answer & Explanation
- Report
Answer : [A]
Explanation :
Explanation :
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9.
One-third of the boys and one-half of the girls of a collage participated in a social work project. If the number of participating students in 300 out of which 100 are boys, what is the total number of students in the college?
- A.500
- C.700
- B.600
- D.800
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
| Number of boys who participate = 100 | |||||||||
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| Number of girls who participate = 200 | |||||||||
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| Hence, total number of students = (300 + 400) = 700 | |||||||||
10.
It costs Rs. x each to make the first thousand copies of a compact disc and Rs. y to make each subsequent copy. If z is greater than 1000, how much will it cost to make z copies of the compact disc?
- A.zx - zy
- C.1000 (x - y) + yz
- B.1000x + yz
- D.1000 (z - y) + xz
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
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