SSC Constable GD

The average of 10 observations is 46. It was realized later that an observation was misread as 42 in place of 142. The correct average is: Options:a) 52b) 46c) 58d) 56 Solution As per questionSum of all No. = 46 x 10 = 460Correct sum = 460 + 142 – 42 = 560Correct average = […]

The ratio of A’s and B’s salary is 6 : 7, If B’s salary is increased by , then his total salary becomes Rs 1,47,700. The salary (in Rs) of A is : Options a) 1,10,000b) 1,20,000c) 1,40,000d) 1,35,000 Solution As per question Ratio of salary A and B = 6x : 7x If B’s salary

The greatest number that will divide 398, 437 and 5425 leaving 7, 12 and 2 as remainders, respectively, is : Options a) 11b) 15c) 17d) 19 Solution As per question Numbers = 398 , 437 , 5425Remainder = 7 , 12 , 2Subtract the Remainder from numbers = 391 , 425 , 5423Factors of No.

P, Q and R can complete a work in 10 days, 20 days and 30 days, respectively, working alone. How soon can the work be completed if P is assisted by Q and R on alternate days? Options:a) 7 daysb) 9 days c) 5 daysd) 6 days Solution As per questionL.C.M. = 10 , 20

Anu is four times as good as Binni in completing a task. Together they finish the same task in 7 hours. In how many hours will Anu alone complete the task? Optionsa) 22b) 35/4c) 31/4d) 24 Solutions As per question Effciency of Anu = 4mEffiency of Binni = 1mEffiency of Both = 5mTotal work =

The salaries of Ravi and Sumit are in the ratio 4 : 5, If the salary of each is increased by Rs 6,000 the new ratio becomes 35 : 40, What will be Sumit’s increased salary? Options a) Rs. 26,000b) Rs. 36,000c) Rs. 16,000d) Rs. 160,000 Solutions As per questionThe salaries of Ravi and Sumit

A 725 m long train passes a tunnel 235 m long in 48 second. Find the speed of the train. Options a) 42 km/hb) 72 km/hc) 36 km/hd) 100 km/h Solutions As per solutionD = 725 + 235 mD = 960T = 48 sec.S = ?S = S = S = 20 m/sec.S = S

By selling 36 m of jute, a shopkeeper gains an amount equal to the selling price of 12 m of jute. Find the gain percentage. Options a) 50%b) 40%c) 45%d) 55% Solutions As per questionsSP = 3CP = 2P = SP – CPP = 3 – 2P = 1P% = P% = 50% Ans: a)

A solid metallic rectangular block of dimensions 112 cm × 44 cm × 25 cm is melted and recast into a cylinder of radius 35 cm. The curved surface area (in cm2) of the cylinder is: (Take π=22/7) Optionsa) 7260b) 6600c) 7040d) 6160 Solutions As per questionsVolume of cuboid = Volume of cylinder = Curved surface area of the

What is 12% of 4% of 7% of 2 × 106 ? Options a) 386b) 583c) 672d) 121 Solutions As per questions = = = 672 Ans: c) 672