Two numbers are in the ratio 9 : 11. If their HCF is 23, then the difference of the two numbers is: Options a) 46b) 146c) 56d) 253 Solution As per question Two numbers are in the ratio a : b = 9 : 11HCF = 231st No. = 23 x 9 = 2072nd No. […]
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
The perimeter of an equilateral triangle is cm. Find its height. Options: a) 10 cmb) 18 cmc) 9 cmd) 6 cm Solution: Perimeter of an equilateral triangle = 3 x sides =side = Height of triangle is = side== = 18 Ans : Height of = 18 cm
The perimeter of an equilateral triangle is 36√3 cm. Find its height. Read More »
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=
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 % =
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
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