If the average of two numbers is 13 and the square root of their product is 12, then the difference between the numbers is: Options:a) 8b) 18c) 10d) 12 Solution: Let the two numbers are = a and bAverage of number = a+b =26Product = a x b =144 Formula = and Put the value […]
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 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 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 value of is : Options a) b) c) d) Solution As per question Ans:
The value of 33/40+1/5[4/5−1/5×(7/8−5/4)]−4/5 is : Read More »
A certain sum amounts to Rs 13200 after 4 years and to Rs 16400 after 8 years at the same rate percent p.a. at simple interest. The simple interest (in Rs) on the same sum at 10% p.a. for 3 1/5 years will be : Options a) 4000b) 3200c) 2500d) 3500 Solution As per questionP = Principle
A certain sum amounts to Rs 13200 after 4 years and to Rs 16400 after 8 years Read More »
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 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
The value of 3×7+5−6÷3−9+45÷5×4−45 is: 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 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