৩১৫৪১
A buzzer sounds every 15 minutes. If the buzzer sounded at 12:40 pm, which of the following could be a time at which the buzzer had sounded before?
উত্তর
8:10 AM
৩১৫৪২
A person rides a bicycle round a circular path of radius 50 m. The radious of the wheel of the bicycle is 50 cm. The cycle comes to the starting point for the first time in 1 hour. what is the number of revolutions of the revolutions of the wheel in 15 minutes?
উত্তর
25
৩১৫৪৩
If both 132and 33 are factors of the number 43×62×z×811 then what is the smallest possible value of z?
উত্তর
507
৩১৫৪৬
Mr.khan invested an amount of TK. 13,900 divided into two different schemes A and B at a simple interest rate of 14% per annum and 11% per annum respectively. If the total amount of simple interest earned in 2 years be Tk. 3,508, what was the amount invested in Scheme B?
উত্তর
TK. 7500
৩১৫৪৭
If u>t, r>q, s>t, t>r, which of the following must be true? I. u>s II. s>q III. u>r
উত্তর
I only
৩১৫৪৮
Three math classes , X, Y , and Z, take an algebra test. The average score in class X is 83. The average score in class Y is 76. The average score in class Z is 85. The average score of all students in classes X and Y together is 79. The average score of all student classes Y and Z together is 81. What is the average for all the three classes?
উত্তর
81.5
৩১৫৪৯
A and B started a partership business investing some amount in the ratio of 3:5. C joined them after six months with an amount equal to that of B. In what proportion should the profit at the end of the first year be distributed amoung A, B and C?
উত্তর
6:10:5