Answer Posted / prakash

294(42*7)

x:y=3 and x+y=80 what is the value of y?

1320

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Ram gets 148 marks for 20 questions. +10 for correct. -3 for wrong. How many correct answers?

1400

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If a train covers 600m in 0.5 seconds, how long it will cover in 10 seconds?

1376

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There are three trucks A, B, C. A loads 10 kg/min. B loads 13 1/3 kg/min. C unloads 5 kg/min. If three simultaneously works then what is the time taken to load 2.4 tones?

1492

---

Time and speed time and work boat and streams

1591

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The sum of the digits of a two digit number is 8. When 18 is added to the number, the digits are reversed. the number?

1199

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2020201-565656=?

1350

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A person goes 4/5 of his usual speed reaches 10min late to his destination, time taken?

1348

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Complete the series 2, 7, 24, 77,__ (hint: 2*12= 24, 7*11= 77, therefore 24*10= 240)

1467

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Light glows for every 13 seconds . How many times did it glow between 1:57:58 and 3:20:47 am.

2271

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How many mod 3 counters are required to construct mod 9 counter.

1312

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If 13 = 13w/(1-w) ,then (2w)2 = ?

1375

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The cost of an item is Rs 12.60. If the profit is 10% over selling price what is the selling price ?

1349

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There were 36 chairs. how many ways can they be placed such that all rows have equal no. of chairs and atleast three chairs are there in each row and there are atleast three rows.

1446

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A and B's temperature are 10°c and 20°c having same surface , then their ratio of rate of emmisions is ?

1218

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