Constable GD for CPO -CPMF (CISF, BSF, ITBP, SSB ) and Delhi Police selected after Objective Questions Exam by SSC. All the details, Study Material PDF, Book, Old question papers area available for free download.
A factory requires 56 machines to manufacture a given number of articles in 144 days. How many machines will be required to produce the same number of articles in 96 days? Optionsa) 63b) 84c) 77d) 81 Solutions As per questionNo. of machine = 56Days = 144 = = Same number of articles- therefore W1 = […]
The average height of 20 students of class 8 is 152 cm and the average height of 15 students of class 9 is 168 cm. What is the average height (to the nearest cm) of the students of both classes? Options a) 159b) 160c) 157d) 158 Solution As per questionThe average height of 20 students
A sum of Rs 73,500 is divided among A, B, C and D in the ratio 3 : 7 : 9 : 11, respectively, What is the sum of the shares of A and D? Options a) Rs. 34,300b) Rs. 39,200c) Rs. 24,500d) Rs. 29,400 Solution As per question Amount = 73500A : B :
The value of is , where the value of k is : Options a) 4b) 6c) 3d) 5 Solution As per question Let value of a = 25.1 and b = 24.9 Folrmula is: K = 4 Answer: k=4
A can do a certain work in 15 days. B is 10% less efficient than A, and C is 20% more efficient than A. All the three work together for 3 days. The remaining work is completed by D alone in days. D alone can complete the original work in: Options:a) 15 daysb) 18 daysc) 25
The difference between the height and the radius of a solid cylinder is 23 cm. The total surface area of the cylinder is 1628 cm22,The height and the radius of the cylinder, respectively, are π= : Options a) 33 cm , 10 cmb) 30 cm , 7 cmc) 32 cm , 09 cmd) 28 cm
The number of years taken for a sum of Rs 5,000 to become Rs 5,832 at a rate of 16% per annum compounded half yearly, will be: Options a) 1.5 yearsb) yearsc) 2 yearsd) 1 years Solution As per question P = 5000A = 5832R = 16% Rate half yearly (r) = = 8%Number of
The certain sum amounts to Rs 9,982.50 in years at 12% p.a., interest compounded 10-monthly. The sum (in Rs) is: Options a) 8500b) 7800c) 8000d) 7500 Solution As per question Interest rate per year = 12%Interest rate to 10 months = = 10%Time = = 30 months Time = = 3A = 9982.50 = 9982.50 =
The value of 3×7+5−6÷3−9+45÷5×4−45 is: Optionsa) 9b) 6c) 7d) 36 Solution As per question 3×7+5−6÷3−9+45÷5×4−45 3×7+5−2−9+9×4−45 21+5−2−9+36−45 26−2−9+36−45 62−47−9 62−56 6 Ans: 6
A batsman scored 124 runs, which included 6 boundaries and 10 sixes. what percentage of his total score did he make by running between the wickets? Optionsa) %b) %c) %d) % Solution As per questionThe batsman scored from boundaries = 6 x 4 = 24 runs The batsman scored from sixes = 10 x 6