maths.pdf - maths.htm Ques1: .C.F.andL.C. respectively,...

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12/4/2014 maths.htm 1/41 Ques 1 : Choose the correct answer. If the sum of two numbers is 55 and the H.C.F. and L.C.M of these numbers are 5 and 120 respectively, then the sum of the reciprocals of the numbers is equal to: Option 1 : 55/601 Option 2 : 601/55 Option 3 : 11/120 Option 4 : 120/11 Ques 2 : Choose the correct answer. Three different containers contain 496 litres, 403 litres and 713 litres of mixtures of milk and water respectively. What biggest measure can measure all the different quantities exactly ? Option 1 : 1 litre Option 2 : 7 litre Option 3 : 31 litre Option 4 : 41 litre Ques 3 : Choose the correct answer. Six bells commence tolling together and toll at intervals of 2, 4, 6, 8, 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together ? Option 1 : 4 Option 2 : 10 Option 3 : 15 Option 4 : 16 Ques 4 : Choose the correct answer. Four different electronic devices make a beep after every 30 minutes, 1 hour, 3/2 hour and 1 hour 45 minutes respectively. All the devices beeped together at 12 noon. They will again beep together at: Option 1 : 12 midnight Option 2 : 3 a.m. Option 3 : 6 a.m. Option 4 : 9 a.m. Ques 5 : Choose the correct answer. The number of prime factors of (3 x 5) 12 (2 x 7) 10 (10) 25 is: Option 1 : 47 Option 2 : 60 Option 3 : 72 Option 4 : None of these Ques 6 : Choose the correct answer. What least value must be assigned to * so that the number 63576*2 is divisible by 8? Option 1 : 1 Option 2 : 2 Option 3 : 3 Option 4 : 4 Ques 7 : Choose the correct answer. Which of the following numbers is exactly divisible by 24 ? Option 1 : 35718 Option 2 : 63810 Option 3 : 537804 Option 4 : 3125736 Ques 8 : Choose the correct answer. The number nearest to 15207, which is divisible by 467, is: Option 1 : 14342 Option 2 : 15211 Option 3 : 14944 Option 4 : 15411 Option 5 : None of these
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12/4/2014 maths.htm 2/41 Ques 9 : Choose the correct answer. The smallest number, which is a perfect square and contains 7936 as a factor is: Option 1 : 251664 Option 2 : 231564 Option 3 : 246016 Option 4 : 346016 Option 5 : None of these Ques 10 : Choose the correct answer. In a division problem, the divisor is twenty times the quotient and five times the remainder. If remainder is 16, the number will be: Option 1 : 3360 Option 2 : 336 Option 3 : 1616 Option 4 : 20516 Option 5 : None of these Ques 11 : Choose the correct answer. The L.C.M. of two numbers is 4800 and their G.C.M. is 160. If one of the numbers is 480, then the other number is: Option 1 : 1600 Option 2 : 1800 Option 3 : 2200 Option 4 : 2600 Option 5 : None of these Ques 12 : Choose the correct answer. The L.C.M. of two numbers is 140. If their ratio is 2:5, then the numbers are: Option 1 : 28,70 Option 2 : 28,7 Option 3 : 8,70 Option 4 : 8,40 Option 5 : None of these Ques 13 : Choose the correct answer. If a number is exactly divisible by 85, then what will be the remainder when the same number is divided by 17? Option 1 : 3 Option 2 : 1 Option 3 : 4 Option 4 : 0 Ques 14 : Choose the correct answer.
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