QuestionOn simplification, 3500 – (1000 ÷ 20.50) is equal to  :Typemultiple_choiceOption3451.21correctOption3029.00incorrectOption2993.03incorrectOption2984.36incorrectSolutionGiven exp. = 3500 - ((1000 ÷ 2050) * 100) = 3451.21

QuestionWhen 0.535353 ... is converted into a fraction, the result isTypemultiple_choiceOption5/17incorrectOption20/9incorrectOption53/99correctOption53/100incorrectSolution0.535353..... = 0.53 = 53/99

QuestionFind the least number which should be added to 2430 so that the sum is exactly divisible by 5, 4 and 2Typemultiple_choiceOption3incorrectOption10correctOption13incorrectOption33incorrectSolutionL.C.M of 5, 4, and 2 = 20. On dividing 2430 by 20, the remainder is 10. Therefore, number to be ...

Question8900 ÷ 6 ÷ 4 = ?Typemultiple_choiceOption349incorrectOption541.75incorrectOption224.37incorrectOption370.833correctSolutionGiven Exp. 8900 * 1/6 * 1/4 = 370.833

QuestionEvaluate : 28% of 400 + 45 % of 250Typemultiple_choiceOption220.3incorrectOption224.5correctOption190.3incorrectOption150incorrectSolution28% of 400 + 45 % of 250 = (28/100 *400 + 45/100 * 250) = (112 + 112.5) = 224.5

Question(1000)6/1015 = ?Typemultiple_choiceOption10incorrectOption100incorrectOption1000correctOption10000incorrectSolution(1000)6/1015 = (1000)6 / 1015 = (103)6/1015 = 10(3*6)/1015 = 1018/1015 = (10)(18 – 15) = 103 = 1000

QuestionThe ratio between the present ages of A and B is 3:5 respectively. If the difference between B's present age and A's age after 4 years is 2 , what is the total of A's and B's present ages?Typemultiple_choiceOption24 yearscorrectOption32 yearincorrectOption48 yearsincorrectOptioncannot be ...

QuestionTwo-third of a positive number and 16/216 of its reciprocal are equal. Find the positive number.Typemultiple_choiceOption9/25incorrectOption14/4incorrectOption4 /12correctOption144/25incorrectSolutionLet the positive number be x. Then, 2/3 x = 16/216 * 1/x x2 = 16/216 * 3/2 = 16/144 x = ...

QuestionThe average weight of three boys P, Q and R is 54 kg, while the average weight of three boys Q, S and T is 60 kg. What is the average weight of P, Q, R, S and T?Typemultiple_choiceOption66.4 kgincorrectOption63.2 kgincorrectOption58.8 kgincorrectOptionData InadequatecorrectSolutionTotal ...

QuestionGiven that √12 = 3.464 and √120 = 10.95, find the value of √1.2 + √1200 + √0.012.Typemultiple_choiceOption32.164incorrectOption35.844correctOption36.164incorrectOption37.304incorrectSolutionGiven exp. = √1.2 +√1200 +√0.0120 = √120/100 +√12*100 + √120/10000 = (√120)/10 + √12 * 10 + ...

QuestionIf 2x +3y = 30 and (x+y)/y = 11/8, then find the value of 5y + 6xTypemultiple_choiceOption72incorrectOption58correctOption64incorrectOption29incorrectSolutionThe given equations are :2x + 3y = 30 --------- (i)and, (x+y)/y = 11/88x + 8y = 11y8x – 3y =0 ----(ii)Adding (i) & (ii), we get ...

QuestionThe ratio of two numbers is 4 : 5 and their H.C.F is 4. Find their L.C.M. Typemultiple_choiceOption96incorrectOption80correctOption73incorrectOption48incorrectSolutionLet the numbers be 4x and 5x.   H.C.F = x. So, x=4. So, the numbers are 16 and 20 L.C.M of 16 and 20 = 80.