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here I am giving you question paper for elementary mathematics subject of Combined Defense Services examination organizes by Union public service commission some questions are given below .. When a natural number n is divided by 4, the remainder is 3. What is the remainder when 2n is divided by 4 ? (a) 1 (b) 2 (c) 3 (a 6 What is the last digit in the expansion of (2457)754 ? (a) 3 (b) 7 (4 8 ( 4 9 If log 6 = m and log, 3 = n, then what is log (d2) equal to ? (a) m - n + 1 (b) m + n - 1 (c) I - m - n (d) I - m + n Consider the following statements : A number a,a,a3a,a, is divisible by 9 if 1. a, + 4 + % + a4 + ai is divisible by 9. 2. a, -a, + a,, -a4 +a, is divisible by 9. Which of the above statements idlare mmct ? (a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2 If the remainder of the polynomial a, + a,x + %x2 + ........ + anxn when divided by (x - 1) is 1, then which one of the following is correct ? (a) a, + a, + .......... = a , + % + .......... (b) %+%+ .......... = 1 +a, +a,+ .......... (c) I+%+%+ .......... =-(a, +a, + ..........) (d) 1 - a 0 - 4 + .......... =a, +a,+ .......... When (x3 - 2x2 + px - q) is divided by (xZ - 2x - 3), the remainder is (x - 6). What are the values of p, q respectively ? (a) -2, 4 (b) 2, -4 (c) -2, 6 (dl 2, 6 What are the values of c when the HCF 0 f ~ ~ + ~ ~ ~ - ~ + 2 c a n d ~ ~ + the rationals is a linear polynomial ? (a) 321 (b) k2 (4 f3 (4 A4 If (x -+ 2) is the WCF of xZ +, ax + b and xZ -t- cx t d (a # c and b d), then which one of the following is correct ? (a) a + c = b + d (b) 2a + b = 2c + d (c) b + 2c = 2a + d (d) b - 2c = 2a – d UPSC CDS elementary mathematics exam paper ![]() ![]() ![]() ![]() ![]() Rest is in the below given attachment so please have a look in that it is free for you
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