Recent questions in Class 7

In a mixture 60 litres, the ratio of milk and water 2 : 1. If this ratio is to be 1 : 2, then the quanity of water to be further added is:

asked Oct 14, 2015 by pady_1

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The average age of husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is:

asked Oct 14, 2015 by pady_1

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The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?

asked Oct 14, 2015 by pady_1

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Find the highest common factor of 36 and 84

asked Oct 14, 2015 by pady_1

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the greatest possible length which can be used to measure exactly the lengths 7 m, 3 m ,85 cm, 12 m, 95 cm is

asked Oct 14, 2015 by pady_1

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What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30 ?

asked Oct 14, 2015 by pady_1

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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 ?

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100 oranges are bought at the rate of Rs. 350 and sold at the rate of Rs. 48 per dozen. The percentage of profit or loss is:

asked Oct 14, 2015 by pady_1

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Some articles were bought at 6 articles for Rs. 5 and sold at 5 articles for Rs. 6. Gain percent is:

asked Oct 14, 2015 by pady_1

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Sam purchased 20 dozens of toys at the rate of Rs. 375 per dozen. He sold each one of them at the rate of Rs. 33. What was his percentage profit?

asked Oct 14, 2015 by pady_1

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A man buys a cycle for Rs. 1400 and sells it at a loss of 15%. What is the selling price of the cycle?

asked Oct 14, 2015 by pady_1

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Alfred buys an old scooter for Rs. 4700 and spends Rs. 800 on its repairs. If he sells the scooter for Rs. 5800, his gain percent is:

asked Oct 14, 2015 by pady_1

1 answer

A vendor bought toffees at 6 for a rupee. How many for a rupee must he sell to gain 20%?

asked Oct 14, 2015 by pady_1

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The population of a town increased from 1,75,000 to 2,62,500 in a decade. The average percent increase of population per year is:

asked Oct 14, 2015 by pady_1

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Three candidates contested an election and received 1136, 7636 and 11628 votes respectively. What percentage of the total votes did the winning candidate get?

asked Oct 14, 2015 by pady_1

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If 20% of a = b, then b% of 20 is the same as:

asked Oct 14, 2015 by pady_1

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If A = x% of y and B = y% of x, then which of the following is true?

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A fruit seller had some apples. He sells 40% apples and still has 420 apples. Originally, he had:

asked Oct 14, 2015 by pady_1

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The age of father 10 years ago was thrice the age of his son. Ten years hence, father's age will be twice that of his son. The ratio of their present ages is:

asked Oct 14, 2015 by pady_1

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A duck flew at 18 km per hour for 3 hours, then at 15 km per hour for 2 hours. How far did the duck fly in all?

asked Oct 14, 2015 by pady_1

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There are 338 cows and goats on a farm. 2/3 of the cows are equal to 1/5 of the goats on the farm. How many cows are there on the farm ?

asked Oct 14, 2015 by pady_1

1 answer

Tameena has 4 old coins : P, Q, R and S. Coin R is worth $ 2.5. Coin S is worth 2 times the value of coin R. Coin Q is worth 3 times the value of coin R. The four coins are worth ` $40 altogether. What is the value of coin P ?

asked Oct 14, 2015 by pady_1

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Misha answered 56% of the 150 problems on her history homework correctly. How many problems on her homework did she answer correctly ?

asked Oct 14, 2015 by pady_1

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In a parking lot, 1 out of every 8 cars is blue. What percent of the cars in this lot are blue?

asked Oct 14, 2015 by pady_1

1 answer

Ankit can run 100 metres in 12.5 seconds. If he competes in the 400metres race, about how many seconds will it take him to run the race ?

asked Oct 14, 2015 by pady_1

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The total length of all songs on a CD, Anshuman bought is about 74 minutes. Each song is between 4 to 6 minutes long. Which is a reasonable number of songs that could be on the CD ?

asked Oct 14, 2015 by pady_1

1 answer

The average of three numbers is 9m + 8. Two of the three numbers are 2m + 3 and 4m + 5. Express the third number in terms of m in the simplest form.

asked Oct 14, 2015 by pady_1

1 answer

A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 27, the how old is B?

asked Oct 14, 2015 by pady_1

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Present ages of Sameer and Anand are in the ratio of 5 : 4 respectively. Three years hence, the ratio of their ages will become 11 : 9 respectively. What is Anand's present age in years?

asked Oct 14, 2015 by pady_1

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The sum of ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child?

asked Oct 14, 2015 by pady_1

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What least number should be added to 1056, so that the sum is completely divisible by 23?

asked Oct 14, 2015 by pady_1

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What is the probability of getting a vowel from the word "EQUATION"

asked Oct 14, 2015 by pady_1

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What is the probability of picking a month from the year having 30 days.

asked Oct 14, 2015 by pady_1

1 answer

A bag contains 5 red balls and 6 black balls. A ball is drawn at random. which colour ball has more chance to come.

asked Oct 14, 2015 by pady_1

1 answer

What is the probability of drawing an odd number from first 15 natural number.

asked Oct 14, 2015 by pady_1

1 answer

What is the probability of selecting the letter 'D' from the word ASSURED' .

asked Oct 14, 2015 by pady_1

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An archer shot at the target 60 times and missed it 22 times. From this,can you figure out what the probability of his hitting the target with the next arrow is.

asked Oct 14, 2015 by pady_1

1 answer

Numbers 1 to 10 are written on ten separate slips (one number on one slip), kept in a box and mixed well. One slip is chosen from the box without looking into it. What is the probability of getting a 1-digit number?

asked Oct 14, 2015 by pady_1

1 answer

Ramakrishnan is part of the school cricket team, and this year he has scored an average of 41 runs. He has played 5 innings so far, and his scores in 4 of them are 41, 49, 32, 34 What was his score in the last one?

asked Oct 14, 2015 by pady_1

1 answer

What is the probability of getting a number 1 through 6?

asked Oct 14, 2015 by pady_1

1 answer

Radha throws a die. What is the probability that she rolls a number more than 2?

asked Oct 14, 2015 by pady_1

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A cricketer scores the following runs in eight innings: 58, 76, 40, 35, 46, 45, 0, 100 Find the mean score.

asked Oct 14, 2015 by pady_1

1 answer

John studies for 4 hours, 5 hours and 3 hours respectively on three consecutive days. How many hours does he study daily on an average?

asked Oct 14, 2015 by pady_1

1 answer

Find the median of the data: 24, 36, 46, 17, 18, 25, 35.

asked Oct 14, 2015 by pady_1

3 answers

A batsman scored the following number of runs in six innings: 36, 35, 50, 46, 60, 55. Calculate the mean runs scored by him in an inning

asked Oct 14, 2015 by pady_1

1 answer

____ refers to the value which lies in the middle of the data with half of the observations above it and the other half below it.

asked Oct 14, 2015 by pady_1

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Tere are 6 marbles in a box with numbers from 1 to 6 marked on each of them. What is the probability of drawing a marble with number 5?

asked Oct 14, 2015 by pady_1

1 answer

The mode of the given numbers 2, 6, 5, 4, 3, 0, 3, 4, 3, 2, 4, 5, 2, 4 is _______.

asked Oct 14, 2015 by pady_1

1 answer

The ages in years of 10 teachers of a school are: 32, 41, 28, 54, 35, 26, 23, 33, 38, 40 What is the age of the youngest teacher?

asked Oct 14, 2015 by pady_1

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Shweta throws a die. What is the probability that she gets a even number?

asked Oct 14, 2015 by pady_1

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