Q.4087·Miscellaneous·2021·EasyWhich one of the following statements is most appropriate about 'Exercise Kavach'?View question
Q.4088·Miscellaneous·2021·EasyRecently a state of emergency has been declared in which one of the following countries?View question
Q.4089·Miscellaneous·2021·EasyWhich one of the following teams is the winner of the Syed Mushtaq Ali Trophy, 2021?View question
Q.4090·Miscellaneous·2021·EasyWhich country has replaced Maldives to host the 2023 Indian Ocean Island Games?View question
Q.4091·Miscellaneous·2021·EasyIdentify the correct reason, out of the following, about Claire Polosak for being in the news:View question
Q.4092·Miscellaneous·2021·EasyIf x, y, z are in GP, then which of the following is/are correct? 1. ln(3x), ln(3y), ln(3z) are in AP 2. xyz + ln(x), xyz + ln(y), xyz + ln(z) are in HP Select the correct answer using the code given below.View question
Q.4093·Miscellaneous·2021·EasyLet S = {2, 3, 4, 5, 6, 7, 9}. How many different 3-digit numbers (with all digits different) from S can be made which are less than 500?View question
Q.4094·Miscellaneous·2021·EasyIf 1/(b + c), 1/(c + a), 1/(a + b) are in HP, then which of the following is/are correct? 1. a, b, c are in AP 2. (b + c)², (c + a)², (a + b)² are in GP Select the correct answer using the code given below.View question
Q.4095·Miscellaneous·2021·EasyIf | a – b a – b – c | | b a + b – c | = kabc = 0 | –a – b –a – b + c | (a ≠ 0, b ≠ 0, c ≠ 0) then what is the value of k?View question
Q.4096·Miscellaneous·2021·EasyIf C(n, 4), C(n, 5) and C(n, 6) are in AP, then what is the value of n?View question
Q.4097·Miscellaneous·2021·EasyHow many 4-letter words (with or without meaning) containing two vowels can be constructed using only the letters (without repetition) of the word 'LUCKNOW'?View question
Q.4098·Miscellaneous·2021·EasySuppose 20 distinct points are placed randomly on a circle. Which of the following statements is/are correct? 1. The number of straight lines that can be drawn by joining any two of these points is 380. 2. The number of triangles that can be drawn by joining any three of these points is 1140. Select the correct answer using the code given below.View question
Q.4099·Miscellaneous·2021·EasyHow many terms are there in the expansion of ((a² / b²) + (b² / a² + 2))²¹ where a ≠ 0, b ≠ 0?View question
Q.4100·Miscellaneous·2021·EasyFor what values of k is the system of equations 2k²x + 3y – 1 = 0, 7x – 2y + 3 = 0, 6kx + y + 1 = 0 consistent?View question
Q.4101·Miscellaneous·2021·EasyThe inverse of a matrix A is given by | –2 1 | | 3/2 –1/2 | What is A equal to?View question
Q.4102·Miscellaneous·2021·EasyConsider a regular polygon with 10 sides. What is the number of triangles that can be formed by joining the vertices which have no common side with any of the sides of the polygon?View question
Q.4103·Miscellaneous·2021·EasyLet A = | 0 2 | | –2 0 | and (mI + nA)² = A where m, n are positive real numbers and I is the identity matrix. What is (m + n) equal to?View question
Q.4104·Miscellaneous·2021·EasyLet p, q and 3 be respectively the first, third and fifth terms of an AP. Let d be the common difference. If the product (pq) is minimum, then what is the value of d?View question