SSC CGL Tier-2 25-October-2015 Maths

Let x be the smallest number, which when added to 2000 makes the resulting number divisible by 12, 16, 18 and 21. The sum of the digits of x is

The diameter of each wheel of a car is 70 cm. If each wheel rotates 400 times per minute, then the speed of the car(in km/hr)is

The average age of 30.students of a class is 14 years 4 months. After admission of 5 new students in the class the average becomes 13 years 9 months. The youngest one of the five new students is 9 years 11 months old. The average age of the remaining 4 new studentsis

P and Q together can do a job in 6 days. Q and Rcan finish the same job in 60/7 days. P started the work and worked for 3 days. Q and R continued for 6 days. Then the difference of days in which R and P can complete the job is

Telegraph post is bent at a point above the ground due to storm. Its top just touches the ground at a distance of 10$$\sqrt{3}$$m from its foot and makes an angle of $$30^\circ$$ with the horizontal. Then height (in metres) of the telegraph post is

If $$5 cos\theta+ 12 sin\theta$$=13, $$0<\theta<90^\circ$$ then value of $$sin\theta$$

 if a+$$\frac{1}{b}$$ =b+$$\frac{1}{c}$$=c+$$\frac{1}{a}$$ where as    a≠b≠c≠0  then the  value of  $$a^{2}b^{2}c^{2}$$ is

The H.C.F and L.C.M of two numbers are 21 and 84 respectively. If the ratio of the two numbers is 1: 4, then the larger of the two numbers is

If 90 men can do a certain job in 16 days, working 12 hours/day, then the part of that work which can be completed by 70 men in 24 days, working 8hours/dayis

A sum of 7,930 is divided into 3 parts and given on loan at 5% simple interest to A, B and C for 2,3 and 4 years respectively. If the amounts of all three are equal after their respective periods of loan, then the A received a loan of