A train can cross a tunnel of length 600 m in 54 second, and it can cross a 350 m long bridge in 36 second. Which of the following statements is/are correct?(i) The speed of the train is 60 km/h. (ii) The length of the train is 150 m. Options a) Only statement (ii)b) Only […]
A loss of % gets converted into a profit of % when the selling price is increased by Rs 132.60. The cost price (in Rs) of the article is : Solution: Let the Cost Price (CP) = 100a First case: SP = CP- CP x Loss%SP= % = 89.5a Second Case: SP=CP+ CP x Profit%SP=
The number of student in class IX and class X is 42 and 45, respectively. The ratio of the number of boys to girls in classes is IX and X is 9 : 5 and 8 : 7, respectively, What is the difference between the total number of boys and the total number of girls
The number of student in class IX and class X is 42 and 45, respectively. Read More »
A nine – digit number 89563x87y is divisible by 72. What is the value of ? Options a) 8b) 5c) 6d) 4 Solution As per question 89563x87y is divisible by 72Factor of 72 = 9 x 8The number will be divided by 9 and 8 Divisibility Rule The number is divisible by 8 if last 3 digit are
A TV was available for Rs 14,500, The price came down to Rs 11,890 during the Diwali sale. What is the percentage discount? Optionsa) 19.56%b) 19% c) 18% d) 17.6% Solution As per questionActual price of TV = 14500 Rs.Diwali sale price of TV = 11890 Rs.Discount = 14500 – 11890 = 2610Discount % =
What is 12% of 4% of 7% of 2 × 106 ? Options a) 386b) 583c) 672d) 121 Solutions As per questions = = = 672 Ans: c) 672
What is 12% of 4% of 7% of 2 × 106 ? Read More »
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
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 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 =
Divide Rs 2,760 in to two parts such that when these are invested for 2 and 4 years, respectively, at the rate of 5% per annum simple interest, the amounts received are equal. What is the second part (in Rs) invested? Optionsa) 1100b) 1500c) 1320d) 1440 Solution As per questionLet First Part is a and