Maths Practice Question and Answer
8 Q: If p men working p hours per day for p days produce p units of work, then the units of work produced by n men working n hours a day for n days is
2055 05dd625b5a1c5834595c3b0bf
5dd625b5a1c5834595c3b0bf- 1$${p^2}\over {n^2} $$false
- 2$${p^3}\over {n^2} $$false
- 3$${n^2}\over {p^2} $$false
- 4$${n^3}\over {p^2} $$true
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Answer : 4. "$${n^3}\over {p^2} $$"
Q: If x = 2 then the value of $$ x^3 + 27x^2 + 243x + 631$$ is:
2054 05ed62576ebc5ce408e2a9643
5ed62576ebc5ce408e2a9643- 11211false
- 21231false
- 31233true
- 41321false
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Answer : 3. "1233"
Q: Each member of a club contributes as much rupees and as much praise as the number of members of the club. If the total contribution is ₹2525, then the number of members of the club is:
2053 05dca3eb588990a4b0e7fda97
5dca3eb588990a4b0e7fda97- 160false
- 245false
- 355false
- 450true
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Answer : 4. "50 "
Q: In what proportion must a grocer mix sugar at Rs. 12 a kg and Rs. 7 a kg Sugar as to make a mixture worth Rs 8. a kg?
2053 05d71ef32e70d464ce7164e7b
5d71ef32e70d464ce7164e7b- 17:12false
- 21:4true
- 32:3false
- 412:7false
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Answer : 2. "1:4"
Q: The MRP of a article is 60% above its manufacturing cost. The article is sold through a retailer, who earns 19% profit on his purchase price. What is the approx. profit percentage for the manufacturer who sells his article to the retailer? The retailer gives 15% discount on MRP.
2053 061b1ea7fbcb1f45db0a31608
61b1ea7fbcb1f45db0a31608- 115.2%false
- 214.2%true
- 313%false
- 412.5%false
- 5Can't be determinedfalse
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Answer : 2. "14.2%"
Q: There are 40 boys in a class and average age of the class is 16 years. A boy of 17 years of age is replaced by another one, as a result average age becomes 15.875 years. Find the age of the new boy? 2052 05d19d6201388cd24f0860eff
5d19d6201388cd24f0860eff- 112 yearstrue
- 214.5 yearsfalse
- 315 yearsfalse
- 417 yearsfalse
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Answer : 1. "12 years"
Explanation :
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Q: The average of goods produced by a company every month is 4000 of average of last 3 month’s production. How many average goods should they produce every month in next 9 months so their monthly average production during a year will be 4375? 2052 15d19f4b07619fe30b9d34af4
5d19f4b07619fe30b9d34af4- 14500true
- 24600false
- 34680false
- 44710false
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Answer : 1. "4500"
Explanation :
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Q: An amount of Rs.56,742 is divided between X and Y in the ratio of 19 : 23. What is the difference between thrice the share of X and twice the share of Y?
2052 05df9f71b36644b47cbaf5a26
5df9f71b36644b47cbaf5a26- 1Rs.10,241false
- 2Rs.12,351false
- 3Rs.14,861true
- 4Rs.16,281false
- 5None of thesefalse
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