Related Questions

A boy was asked to multiply a number by 7/8, instead he divided the number by 7/8 and got the result 15/14 more than he should have got if he had multiplied the number by 7/8. the number is ----
A 4
B 6
C 8
D None of these
A boy was asked to multply a number by 7/8 instead he divided the number by 7/8 and got the result 15/14 more than what he should have got if he had multiplied the number by 7/8. The number is ---
A 8
B 6
C 4
D None of these
A student was required to multiply a number by 2 and add 3 to it. He instead added 3 to first and then multiplied by 2. If the answer he got was 20, the correct answer would be-
A 19
B 23
C 17
D 20
If you multiply the hight of a cylinder by 9* , by what must you multiply the radius if the volume is to stay the same .
A 81
B 1/9
C 1/81
D 1/3
Three boys agree to divide a bag of marbles in the following manner. The first boy takes one more than half the marbles. The second takes a third of the number remaining. The third boy finds that he is left with twice as many marbles as the second boy. The original number of marbles is-
A 38
B 36
C 32
D Cannot be determined
A, B and C are three students. A got 18% more marks than B and 12% less than C. If B got 220 marks, then how much marks C has got?
A 295
B 230
C 224
D 245
A, B and C are three students. A got 36% less marks than B and 16% more marks than C. If B got 145 marks, then what are the marks got by C?
A 120
B 110
C 80
D 75
একটি পাত্রে দুধ ও পানির অনুপাত ৫ঃ২। যদি পানি অপেক্ষা দুধের পরিমাণ ৬ লিটার বেশি হয় তবে পানির পরিমাণ ----
A ১৪ লিটার
B ৬ লিটার
C ১০ লিটার
D ৪ লিটার
৪ঃ৬, ৫ঃ২, ও ১ঃ৩ এর মিশ্র অনুপাত কত?
A ৩৬ঃ২০
B ১০ঃ১১
C ১৫ঃ৬০
D ২০ঃ৩৬
৭০ লিটার অকটেন-পেট্রোল মিশ্রণে পেট্রোল ও অকটেনের অনুপাত ৫ঃ২ । এই মিশ্রণে আর কত লিটার অকটেন মিশালে পেট্রোল ও অকটেনের অনুপাত ২ঃ১ হবে?
A ৫
B ৭
C ১০
D কোনোটিই নয়

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