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 shopkeeper sold an article at a gain of 20%. Had he bought it for 20% less than the original cost and sold it for Rs 10 less, he would have gained 25%. Then the Cost Price of the article is: Options:a) Rs 45b) Rs 60c) Rs 50d) Rs 40 Solution Assume Cost Price (CP) […]
Pipes A and B can empty a full tank in 15 minutes and 20 minutes, respectively, while pipe C alone can fill the empty tank in 8 minutes. If pipes A, B and C are opened together, then in how many hours will the tank be filled? Options a) 2.5b) 1.5c) 2d) 3 Solution As
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
A shopkeeper buy a table fan marked at Rs 2,600 on 18% discount He marked it for Rs 2,800 and allows a 15% discount. How much does he earn? Optionsa) Rs. 420b) Rs. 200c) Rs. 220d) Rs. 248 Solution As per questionCP = = 468 Rs.= 2600 – 468 = 2132 Rs.SP = = 420
In an imaginary mathematical system, symbol ‘-‘ stands for addition, symbol ‘+’ stands for division, symbol stands for subtraction, and symbol stands for multiplication. What is the value of the following expression? Options:a) 87b) 95c) 107d) 43 Solution: Change symbol = per Question147 – 60 = 87 Answer: a) 87
Rohit donates 15% of his monthly income to charity funds. The remaining income is spent in the following manner: 35% on food, 20% on rent, 17% on bills, 8% on clothing, and the remaining is kept as savings. If the amount saved each month is Rs 14,620, the What is Rohit’s monthly income? Optiona) Rs