Recent questions in Class 6

The difference between a positive proper fraction and its reciprocal is 7/12. The fraction is:

asked Dec 8, 2014 by pady_1

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A number when divide by 7 leaves a remainder 4. When the square of the number is divided by 7, the remainder is:

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find x. 700*x=950

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The sum of the two numbers is 19 and their product is 88. What is the sum of the reciprocals of these numbers ?

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The sum of squares of three numbers is 764 and sum of their products taken two at a time is 500. What is their sum?

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1 answer

The difference between a two digit number and the number obtained by interchanging the digits is 72. What is the difference between the digits of the number?

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Out of three consecutive odd numbers eight times the first number is equal to addition of thrice the third number and adding 5 to twice the second . What is the first number?

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The sum of digits of a two digit number is 13,The difference between the digits is 5. Find the number

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Two third of three fourth of a number is 24. Then one third of that number is

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1 answer

How many 4-digit numbers are completely divisible by 7?

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If the sum of 1st n integers is 55 then what is n?

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what is the smallest number should be added to 5377 so that the sum is completely divisible by 7?

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How many natural numbers between 23 and 137 are divisible by 7?

asked Dec 8, 2014 by pady_1

1 answer

In a class, the average age of 30 students is 9 years. If the age of their teacher is included, it becomes 10 years. The age of the teacher (in years)is

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The average weight of 3 packets A, B and C is 84 kg. Another packet D added into the group and the average now becomes 80 kg. If another packet E, whose weight is 3 kg more than that of D, replaces A then the average weight of B, C, D and E becomes 79 kg. The weight of A is:

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The average weight of 9 apples increases by 20 g if one of them weighing 120 g is replaced by another. The weight of the new apple is

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In a set of 4 numbers, the average of first 3 numbers is 16 and that of the last 3 numbers is 15. If the last number is 18, the first number is

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The average height of 25 students is 165 cm. Later it is found that while calculating the average, the reading of 170 cm, was wrongly read as 117. what is the correct average?

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A batsman in his 13th innings makes a score of 77 and there by increases his average by 4. what is his average after the 13th innings?

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The average age of a class of 30 students is 13 years. When the age of the teacher is also included. The average will be increased by 1 year. What is the age of the teacher?

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Of the three numbers, the first is twice as second and three times the third. The average of the three numbers is 66, and the three numbers in order are?

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Of the numbers, average of the first five is 16 and that of the last five is 20. if the last number is 20. find the first number?

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The average age of a wife and a husband, who were married 6 years back was 22 years then. Including two sons, who were born during the interval, the average age of the family is 15 years now. If one son is 3 years old now. Find the age of the second son at present?

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The average of a natural number and its square is 5 times the number. The number is:

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The average of 3, 7, 8 and x is 5 and the average of 2, 19, 7, x and y is 10. what is the value of y?

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The average of 39 numbers is 0. Of them, at the most, how many may be greater than 0?

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Shankar got 66, 83, 77, 68, 86 marks (out of 100) in English, Maths, physics, Biology and Chemistry. What are his average marks?

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Six girls went to a restaurant for taking their meals. Five of them spent Rs. 10 each on their meals and the sixth spent Rs. 10 more than the average expenditure of all the six. What was the total money spent by them?

asked Dec 8, 2014 by pady_1

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A student got average marks in English, Sanskrit, Hindi, Maths and science are 72 and in Maths, Science, Social, Hindi and sanskrit are 80. marks in social exceed the marks in English by?

asked Dec 8, 2014 by pady_1

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The average of three numbers is 45 and that of the last two is 50. Find the first number?

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The average age of 25 students in a class is 12 years. 15 students whose average age is 10 years joined them. What is the present average age.

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The average weight of 22 boys is 57 Kg. Each boy puts on a dress whose weight is 1 Kg. What is the average weight of the boys now.

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Find the average of first 35 natural numbers.

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Three numbers which are co-prime to each other are such that the product of the first two is 1102 and that of the last two is 2146. The sum of the three numbers is:

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If the sum of two numbers is 72 and the H.C.F. and L.C.M. of these numbers are 6 and 60 respectively, then the sum of the reciprocals of the numbers is equal to:

asked Dec 8, 2014 by pady_1

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The H.C.F. of 6/7 , 14/25 , 18/35 and 21/40 is:

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The following number which is having the most number of divisors is?

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The greatest number which on dividing 657 and 737 leaves remainders 3 and 5 respectively, is:

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What will be the least number which is three times will be exactly divisible by 6, 12, 18, 21 and 30 ?

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The least multiple of 5, which leaves a remainder of 5, when divided by 8, 12, 20 is:

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4 bells commence tolling together and toll at intervals of 6,12,18 and 24 seconds respectively. In 6 minutes, how many times do they toll together?

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The largest 4 digit number which when divided by 2, 5 or 17 leaves a remainder of 3 in each case, is

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The H.C.F. of 1.35, 3.15 and 6.75 is:

asked Dec 8, 2014 by pady_1

1 answer

The L.C.M. of two numbers is 196. The numbers are in the ratio 4:7. The sum of the numbers is:

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L.C.M. of two prime numbers p and q (p > q) is 155. The value of p – q is:

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The H.C.F of 156, 910 and 1105 is:

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The L.C.M. of two numbers is 27 times their H.C.F. If one of the numbers is 121 and the sum of H.C.F. and L.C.M. is 924, the other number is:

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Three numbers are in the ratio 2:3:4 and their LCM is 600. Their HCF is

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The HCF of two numbers is 13. Which one of the following can never be their LCM?

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X, Y and Z start at the same time in the same direction to run around a circular stadium. X completes a round in 300 seconds, Y in 600 seconds and Z in 900 seconds, all starting at the same point. After what time will they again at the starting point ?

asked Dec 8, 2014 by pady_1

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