SSC GD 26th Nov 2021 Shift-1

If 2$$x$$ + 7y : 4$$x$$ - 3y :: 8 : 3, then $$x$$ : y is:

The radii of two circles are 21 cm and 25 cm, respectively. What is the area (in $$cm^{2}$$) of the circle whose circumference is equal to difference of the circumference of the two given circles? ( Use $$\pi = \frac{22}{7}$$) correct to one decimal place.

The smallest number to which when 18 is added, the number is exactly divisible by 28, 36 and 45, is:

An article is purchased for ₹425 and sold for ₹500. The gain percentage is closest to:

The average of 26 numbers is 54.5. The average of the first 15 numbers is 58.6 and that of the last 12 numbers is 52. If the $$15^{th}$$ number is excluded, the average of the remaining numbers will be:

Find the compound interest on ₹8,500 in 2 years at 6% per annum, interest being compounded half-yearly.

A, B and C together can complete a work in 8 days. If A is 50% more efficient than B and B is 50% efficient than C, then B alone will complete the same work in:

A man sold $$\frac{5}{6}$$ of his articles at a gain of 15% and the remaining at cost price. Find the gain earned by him in the whole transaction.

A shoapkeeper gave a discount of 15% on the purchase of 1800 and for the purchase of more than 1800 disount offer is 17.5%. Abdul bought 225 pens at the rate of Rs. 8 for each pen and 4 dozen pencils at the rate of Rs. 30 for each dozen. Find out the amount paid by Abdul.

The ratio of three numbers is 3: 2: 5 and the stun of their squares is 8550. Find the sum of the numbers.