What will come at the place of question mark ?
2, 3, 6, 15, ?, 123 

In the following number series a wrong number is given. Find out the wrong number.
1, 3, 10, 21, 64, 129, 356, 777 

What will come at the place of question mark ?
9, 27, 31, 155, 161, 1127, ?

What will come at the place of question mark ?
2, 7, 27, 107, 427, ?

Sunday, Monday, Wednesday, Saturday, Wednesday, Monday, ..... 

Find the greatest number that will divide 43, 91 and 183 so as to leave the same remainder in each case. 

The H.C.F. of two numbers is 23 and the other two factors of their L.C.M. are 13 and 14. The larger of the two numbers is: 

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 ?

Let N be the greatest number that will divide 1305, 4665 and 6905, leaving the same remainder in each case. Then sum of the digits in N is: 

The greatest number of four digits which is divisible by 15, 25, 40 and 75 is: 

The product of two numbers is 4107. If the H.C.F. of these numbers is 37, then the greater number is: 

Three number are in the ratio of 3 : 4 : 5 and their L.C.M. is 2400. Their H.C.F. is: 

The G.C.D. of 1.08, 0.36 and 0.9 is: 

The product of two numbers is 2028 and their H.C.F. is 13. The number of such pairs is: 

The least multiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is: 

Ajit has a certain average for 9 innings. In the tenth innings, he scores 100 runs thereby increasing his average by 8 runs. His new average is:

The speed of the train going from Nagpur to Allahabad is 100 km/h while when coming back from Allahabad to Nagpur, its speed is 150 km/h. find the average speed during whole journey. 

Find the average of first 97 natural numbers.

The average age of three boys is 15 years. If their ages are in ratio 3 : 5 : 7, the age of the youngest boy is

The average of a group of men is increased by 5 years when a person aged of 18 years is replaced by a new person of aged 38 years. How many men are there in the group?

In a boat there are 8 men whose average weight is increased by 1 kg when 1 man of 60 kg is replaced by a new man. What is weight of new comer?

The average of 25 results is 18. The average of first 12 of those is 14 and the average of last 12 is 17. What is the 13th result?

A train covers the first 16 km at a speed of 20 km per hour another 20 km at 40 km per hour and the last 10 km at 15 km per hour. Find the average speed for the entire journey.

The average monthly salary of 660 workers in a factory is Rs. 380. The average monthly salary of officers is Rs. 2100 and the average monthly salary of the other workers is Rs. 340. Find the number of other workers.

The average marks of four subjects is 120. If 33 was misread as 13 during the calculation, what will be the correct average?

Students of three different classes appeared in common examination. Pass average of 10 students of first class was 70%, pass average of 15 students of second class was 60% and pass average of 25 students of third class was 80% then what will be the pass average of all students of three classes?

A man travels equal distances of his journey at 40, 30 and 15 km/h. respectively. Find his average speed for whole journey.

Five years ago, the average age of A, B, C and D was 45 yr. with E joining them now, the average of all the five is 49 yr. How old is E? 

The tree which sends down roots from its branches to the soil is known as:

Brass gets discoloured in air because of the presence of which of the following gases in air?

Chlorophyll is a naturally occurring chelate compound in which central metal is

Which of the following metals forms an amalgam with other metals?

Which of the gas is not known as green house gas?

Quartz crystals normally used in quartz clocks etc. is chemically

Bromine is a

The hardest substance available on earth is

The variety of coal in which the deposit contains recognizable traces of the original plant material is

The revolutionary like Ashfaqullah Khan, Chandra Shekhar Azad, Ram Prasad Bismil, Roshan Singh and Rajendra Lahiri were all associated with : 

The Moplah Rebellion in 1921 in Malabar was Muslim Peasants Rabellion against : 

The Rowlatt Act was passed in : 

Mahatma Gandhi launched Kheda Satyagrah on Gujrat in 1918 to support the cause of : 

The East India Association was set up in : 

Who established the Hindu Dharma Sangrakshini Sabha in the year 1893 by : 

Who was admired as tempestuous Hindu in 1893 in the World Parliament of Religious in Chicago ? 

Who were associated with Indian league established in 1875 in Calcutta (now Kolkata) ? 

Choose the word which is different from the rest.

Choose the word which is different from the rest.

Choose the word which is different from the rest.

Choose the word which is different from the rest.

The least number which when divided by 5, 6 , 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder, is: