The LCM of 112, 72 and 90 is | CLASS 14 | RRB GROUP D 19 SEPTEMBER 2018 (SHIFT 2) | MATHS | Dou...

Find the LCM of 3.2, 2.72 , 1.28 and 1.44 A. 24.48 B. 2448 C. 2.448 D. 244.8

If 19x^2 = 100^2 - 90^2 , then find the value of x A. 10 B. 9 C. 11 D. 12

I. x^(2) + 17x+72 = 0" " II. y^(2) + 19y + 90 = 0

The LCM of two numbers is 112 and their HCF is 2. If one of the number is 14, then find the other number.

If a+2b = 55 and a - 2b = -13 , find the value of b . A. 21 B. 14 C. 17 D. 19

The cash difference between the selling price of an article at a profit of 2% and 14% is Rs. 4. The ratio of two selling prices is : A. 17 : 19 B. 17 : 20 C. 19 : 20 D. 17 : 53

Match List I with list II and select the correct answer: List I List II (a , b as given in Euclidean algorithm (Values of q and r ) a=b q+r ) a=-112 , b=-7 q=-13 , r=1 B. a=118 , b=-9 q=14 , r=3 C. a=-109 , b=6 q=-19 , r=5 D. a=115 , b=8 q=16 , r=0 A B C D A B C D (a) 3 1 4 2 (b) 3 2 4 1 (c) 4 1 3 2 (d) 4 2 3 1

The distance (in km) of 40 engineers from their residence to their place of work were found as follows: 5 3 10 20 25 11 13 7 12 31 19 10 12 17 18 11 32 17 16 2 7 9 7 8 3 5 12 15 18 3 12 14 2 9 6 15 15 7 6 12 Construct a grouped frequency distribution table with class size 5 for the data given above taking the first interval as 0-5 (5 not included). What main features do you observe from this tabular representation?

What is the ratio whose terms differ by 40 and the measure of which is frac(2)(7) ? (A 16 : 56 (B) 14 : 56 (C ) 15 : 56 (D) 16 : 72

A dress shop marked down all items as following: Group Regular price Sale price A Rs 65 Rs. 5 B Rs. 60 Rs. 50 C Rs. 70 Rs. 60 D Rs. 75 Rs. 65 Which group of items was offered at the rate of discount? R s .13.70 b. R s .18.50 c. R s .14.80 d. R s .19.50