Subject : Mathematics Date : DPP No. : 54 DPP No. – 01 Class : XI Course : . 1. DPP upto 56 in both phases. Total Marks : 20 Max. Time : 20 min. Single choice Objective ('–1' negative marking) Q.1, 2, 3, 4 (3 marks 3 min.) [12, 12] Match the Following (no negative marking) (2 × 4) Q.5 (8 marks 8 min.) [8, 8] Ques. No. 1 2 3 4 5 Total Mark obtained 1. Difference between the maximum value of 11C and maximum value of 10C is (A) 11C (B*) 10C (C) 11C (D) 10C 2. The value of 1 – 10 2n 81n 81n 102 2n 1 81n 103 2n C2 – 81n 102n C3 ..... 81n is (A) 2 (B) 0 (C) 1/2 (D*) 1 3. The coefficient of a8b4c9d9 in (abc + abd + acd + bcd)10 is 10! (A) 10 ! (B) 8! 4! 9! 9! (C*) 2520 (D) none of these 4. If C = 10C for r = 1, 2, 3, ...., 10, then 1.2 C + 2.3 C + ........9.10 C = r r 1 2 9 (A) 130.28 (B) 130. 28 – 1 (C) 130. 28 + 10 (D*) 130. 28 – 110 21/ 5 3 20 are (D) When 6n – 5n + 2 is divided by 25 remainder is, where n N (s) 4 (t) 5 Ans. (A) → (r) ; (B) → (q); (C) → (r); (D) → (r) Subject : Mathematics Date : DPP No. : 55 DPP No. – 02 Class : XI Course : Total Marks : 34 Max. Time : 36 min. Multiple choice objective ('–1' negative marking) Q.1, 2 (5 marks 4 min.) [10, 8] Subjective Questions ('–1' negative marking) Q.3, 4, 5, 6 (4 marks 5 min.) [16, 20] Match the Following (no negative marking) (2 × 4) Q.7 (8 marks 8 min.) [8, 8] Ques. No. 1 2 3 4 5 6 7 Total Mark obtained 1. For all values of , the lines represented by the equation (2 cos + 3 sin ) x + (3 cos – 5 sin ) y – (5 cos – 2 sin ) = 0 (A*) pass through a fixed point (B*) vertex of the system is (1, 1) (C*) pass through the origin if tan = 5 2 (D) the line 3x – 4y = 3 is one of the member of the family n4 2. Let (1 + x2)2 (1 + x)n = ak xk . If a , a , a are in A.P., then a value of n is k 0 1 2 3 (A) 1 (B) 2 (C*) 3 (D*) 4 3. There are 6 roads between A & B and 4 roads between B & C. (i) In how many ways can one drive from A to C by way of B? [Ans. 24] (ii) In how many ways can one drive from A to C and back to A, passing through B on both trips? [Ans. 576] (iii) In how many ways can one drive the circular trip described in (ii) without using the same road more than once [Ans. 360] 4. If repetitions are not allowed (i) How many 3-digit numbers can be formed from the six digits 2, 3, 5, 6, 7 and 9. [Ans. 120] (ii) How many of these are less than 400? [Ans. 40] (iii) How many are even? [Ans. 40] (iv) How many are odd? [Ans. 80] (v) How many are multiples of 5? [Ans. 20] 5. How many car number plates can be made if each plate contains 2 different letters of english alphabet, followed by 3 different digits. [Ans. 468000] 6. How many numbers divisible by 5 and lying between 4000 and 5000 can be formed from the digits 4, 5, 6, 7 and 8 (Repetition of digits is allowed). [Ans. 25] 7. Column - I Column - II 1 5 (A) If in the exp
Subject : Mathematics Date : DPP No. : 54 DPP No. – 01 Class : XI Course : . 1. DPP upto 56 in both phases. Total Marks : 20 Max. Time : 20 min. Single choice Objective ('–1' negative marking) Q.1, 2, 3, 4 (3 marks 3 min.) [12, 12] Match the Following (no negative marking) (2 × 4) Q.5 (8 marks 8 min.) [8, 8] Ques. No. 1 2 3 4 5 Total Mark obtained 1. Difference between the maximum value of 11C and maximum value of 10C is (A) 11C (B*) 10C (C) 11C (D) 10C 2. The value of 1 – 10 2n 81n 81n 102 2n 1 81n 103 2n C2 – 81n 102n C3 ..... 81n is (A) 2 (B) 0 (C) 1/2 (D*) 1 3. The coefficient of a8b4c9d9 in (abc + abd + acd + bcd)10 is 10! (A) 10 ! (B) 8! 4! 9! 9! (C*) 2520 (D) none of these 4. If C = 10C for r = 1, 2, 3, ...., 10, then 1.2 C + 2.3 C + ........9.10 C = r r 1 2 9 (A) 130.28 (B) 130. 28 – 1 (C) 130. 28 + 10 (D*) 130. 28 – 110 21/ 5 3 20 are (D) When 6n – 5n + 2 is divided by 25 remainder is, where n N (s) 4 (t) 5 Ans. (A) → (r) ; (B) → (q); (C) → (r); (D) → (r) Subject : Mathematics Date : DPP No. : 55 DPP No. – 02 Class : XI Course : Total Marks : 34 Max. Time : 36 min. Multiple choice objective ('–1' negative marking) Q.1, 2 (5 marks 4 min.) [10, 8] Subjective Questions ('–1' negative marking) Q.3, 4, 5, 6 (4 marks 5 min.) [16, 20] Match the Following (no negative marking) (2 × 4) Q.7 (8 marks 8 min.) [8, 8] Ques. No. 1 2 3 4 5 6 7 Total Mark obtained 1. For all values of , the lines represented by the equation (2 cos + 3 sin ) x + (3 cos – 5 sin ) y – (5 cos – 2 sin ) = 0 (A*) pass through a fixed point (B*) vertex of the system is (1, 1) (C*) pass through the origin if tan = 5 2 (D) the line 3x – 4y = 3 is one of the member of the family n4 2. Let (1 + x2)2 (1 + x)n = ak xk . If a , a , a are in A.P., then a value of n is k 0 1 2 3 (A) 1 (B) 2 (C*) 3 (D*) 4 3. There are 6 roads between A & B and 4 roads between B & C. (i) In how many ways can one drive from A to C by way of B? [Ans. 24] (ii) In how many ways can one drive from A to C and back to A, passing through B on both trips? [Ans. 576] (iii) In how many ways can one drive the circular trip described in (ii) without using the same road more than once [Ans. 360] 4. If repetitions are not allowed (i) How many 3-digit numbers can be formed from the six digits 2, 3, 5, 6, 7 and 9. [Ans. 120] (ii) How many of these are less than 400? [Ans. 40] (iii) How many are even? [Ans. 40] (iv) How many are odd? [Ans. 80] (v) How many are multiples of 5? [Ans. 20] 5. How many car number plates can be made if each plate contains 2 different letters of english alphabet, followed by 3 different digits. [Ans. 468000] 6. How many numbers divisible by 5 and lying between 4000 and 5000 can be formed from the digits 4, 5, 6, 7 and 8 (Repetition of digits is allowed). [Ans. 25] 7. Column - I Column - II 1 5 (A) If in the exp