Quantitative Aptitude - Arithmetic Ability Questions

What is the fourth proportional to 189, 273 and 153?

2 men or 3 women can complete a job in 96 days. Then 6 men and 7 women will complete the same job in how many days?

Average age of 20 students is 21 years. 2 students leave the group and 1 new student joins the group. The average now becomes 20 years. If age of one of the student who left the group is 26 years and the one who joined is 20 years, then what is the age (in years) of the other student who left the group?

If a=x13y13+x-13y-13then a3-3ay-x is equal to

The product of two 2-digit numbers is 2160 and their H.C.F. is 12. The numbers are

If a vendor sells a coconut at Rs 14.4 he makes 10% loss. If he wants to make 25% profit, then at what price (in Rs) should he sell?

At 9.5% simple interest per annum a sum of money became Rs. 942 in 6 years. The sum initially invested was:

If it is possible to make a meaningful word with the first, the seventh, the ninth and the tenth letters of the word RECREATIONAL, using each letter only once, which of the following will be the third letter of the word? If more than one such word can be formed, give ‘X’ as the answer. If no such word can be formed, give ‘Z’ as the answer.