Find the greatest number 23a68b, which is divisible by 3 but NOT divisible by 9.

Study the graph carefully and answer the following questions.

What is the average production of the five states in the year 1994-95 taken together?

Directions: Study the graph carefully and answer the following questions.

Find the respective ratio of the number of students in school D and school F.

A train covers 400 m distance in 24 sec. Its speed is-

For which value of x the seven-digit number 8439x53 is divisible by 99?

The average salary of the entire staff in an office is Rs 3200 per month. The average salary of officers is Rs 6800 and that of non-officers is Rs 2000. If the number of officers is 5, then find the number of non-officers in the office.

The ratio of present ages of Shankar and Mohan is 7: 8 respectively. Four year hence this ratio becomes 9: 10 respectively. What is Shankar’s present age in years?

The average salary per head of all the workers of JK Campus is ₹ 60. The average salary of 12 center heads is ₹ 400 and of the rest is ₹ 56. The total number of workers in JK Campus is