SSC

Replace * by the smallest digit so that 723 *56* is divisible by 6. Optionsa) 1b) 2c) 3d) 4 Solution As per question723 *56*Divisible by 6 (2 x 3) divisible by both 2 and 3Divisible by 2 = Last digit is evenFrom options : Number may be 2 and 4Divisible by 3 = sum of

If the ratio of the areas of two similar triangles is 25 : 144, the ratio of their corresponding sides is: Optionsa) 12 : 5b) 5 : 12c) 25 : 12d) 5 : 144 Solution As per questionLet the two triangles be and It is given that ~ By the similarity criterion , if two

Hour Distance Travelled (in Km) X Distance Travelled (in Km) Y 1St 25 30 2nd 35 45 3rd 25 40 4th 20 30 5th 25 20 6th 20 15 Y’s average speed (km/hour) during the first five hours is: Optionsa) 31b) 34c) 32d) 33 Solution As per questionSum of first five hours speed = 30

Find the area of a square, one of whose diagonals is 4.8 m long. Optionsa) 12.5 m2b) 10.5 m2c) 9.5 m2d) 11.52 m2 Solution As per questionLet the one side of square is aDiagonals (d) = 4.8 mFormula : d = 4.8 = a = Area of square = a2Area of square = Area of

Simplify Optionsa) 2b) 3c) 5d) 1 Solution Let a = 4.2b = 1.2ab = 5.04Formula :a3 – b3 = (a-b) (a2 +ab + b2) = (a-b)(a-b) = (4.2 – 1.2) = 3 Ans: 3

Subject Marks Obtained Total Marks English 73 100 Hindi 56 80 Science 45 75 Mathematic 90 125 IT 45 60 In which subject did he score the highest marks (in %) ? Optionsa) Mathematicb) ITc) Englishd) Hindi Solution As per questionMarks in % = English marks in % = = 73%Hindi marks in % =

The cost price of a bat is 75% of the marked price. Calculate the gain percentage after allowing a discount of 15%. Optionsa) 18.61%b) 25.6%c) 21.33%d) 13.33% Solution As per questionDiscount = 15%SP = MP -DP = SP – CP P% = Let the MP = 100CP = = 75SP = = 85P = 85