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Differential Calculus mcqs Question 1.The slope of the tangent at the point (2, -2) to the curve x2 + xy + y2 – 4 = 0 is given by: (a) 0(b) 1(c) -1(d) NoneAnswer:(b) is correct.Question 2. The derivative of x2log x is: (a) 1 + 2log x(b) 2 log x(c) x(1 + 2logx)(d) None of theseAnswer:ddx(x2 log […]
Sets, Functions and Relations mcqs Question 1.Out of 20 members in a family, 11 like to take tea and 14 like coffee. Assume that each one likes atleast one of the two drinks. F ind how many like both coffee and tea: (a) 2(b) 3(c) 4(d) 5Answer:(d) Given That n(T)= 11 ;n(C) = 14and n(T […]
Sequence and Series MCQS Question 1.The sum of all natural numbers between 100 and 1000 which are multiple of 5 is :(a) 98,450(b) 96,450(c) 97,450(d) 95,450Answer:(a) is CorrectSeries isS = 105 + 110+ 115 + ………………. + 995.No. of terms = n = l−ad + 1 = 995−1055 + 1 = 179Sum = n2(a + l) = 1792 (105 + 995)= 98,450 […]
Basic Concepts of Permutations and Combinations MCQS Question 1.The number of triangles that can be formed by choosing the vertices from a set of 12 points, seven of which lie on the same straight line, is: (a) 185(b) 175(c) 115(d) 105Answer:(a) is CorrectNo. of triangles = 12C3 – 7C3= 12!3!9!−7!3!4! = 220 – 35= 185 Question 2.A code word is to […]
Mathematics of finance MCQS Simple Interest Question 1.₹ 8,000 becomes ₹ 10,000 in two years at simple interest. The amount that will become ₹ 6,875 in 3 years at the same rate of interest is : (a) ₹ 4,850(b) ₹ 5,000(c) ₹ 5,500(d) ₹ 5,275Answer:Tricks(b) S.I./year = 10000−80002 = ₹ 1000r = 1000×1008000 = 12.5%P = Amt Amt at ₹1=68751+0.125×3= ₹ 5000∴ (b) […]
Blood Relations MCQS Question 1.Vinod introduce Vishal as the son of the only brother of his father’s wife. How is Vinod related to Vishal ? (a) Cousin(b) Brother(c) Son(d) UncleSolution:(a)Clearly Vinod is cousin of Vishal. Question 2.A prisoner introduced a boy who came to visit him to the jailor as “Brothers and sisters, I have none, […]
Seating Arrangements MCQS Question 1.Five boys A, B, C, D and E are sitting in a row. A is to the right of B, and E is to the left of B but to the right of C. A is to the left of D. Who is second from the left end ?(a) D(b) A(c) […]
Direction Tests MCQS Example 1:Neha walked 2 km west of her house and then turned south covering 4 km. Finally, she moved 3 km towards east and then again 1 km west. How far is she from her initial position?(a) 7 km(b) 3 km(c) 4 km(d) 12 kmSolution:(c) is correct.Neha starts from her house at […]
Chapter 9: Number Series, Coding and Decoding and Odd Man Out Question 1.In a certain code, RIPPLE is written as 613382 and LIFE is written as 8192. How is PILLER written in that code? [1 Mark, May 2018](a) 318826(b) 318286(c) 618826(d) 338816Solution:(a) Hence code of PILLER is 318826. Question 2.In a certain code ‘256’ […]
Chapter 1: Ratio and Proportion, Indices, Logarithms Question 1.Two numbers are in the ratio of 2 : 3 and the difference of their squares is 320. The number are : (a) 12, 18(b) 16, 24(c) 14, 21(d) NoneAnswer:Tricks : Go by choices (a); (b) & (c) all are in ratio 2:3 But For option(a) 182 – 122 ≠ […]