MBA Exam

The number of values of k for which [x2 â€“ (k-2)x + k2 ][ x2 + kx + (2k â€“ 1)] is a perfect square.

1) 1
2) 2
3) 0
4) None

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MBA Other Question

Every customer who visited the a mall was given a gift coupon, on every purchase worth Rs. 1000, with a unique six-digit code written on it. Each code was such that- i). The first digit was non-zero.ii). All the six digits were distinct.iii). The 1st and the 6th digits added up to 9 and so do the 2 nd and 5 th digits, and also the 3rd and 4th digits. A gift was given to a customer who had two coupons with codes such that the numbers formed using the first three digits of each code were the reverse of each other. The number of coupons distributed could not have been more thanA) 504B) 729C) 432D) 648

1) 1
2) 2
3) 3
4) 4
Raman took classes for 20 consecutive days. On nth day, there were (n + 1) students present in his class, where n is a natural number. Each day Raman distributed Rs.1100 equally among the students present in the class. Student ‘x’, who attended all the 20 classes of Raman, donated 1/(m + 1) th part of theamount received by him (from Raman on that particular day) to a charity at the end of each day, where ‘m’ is the number of students attending the class on that day. What is the total amount donated by student ‘x’ to the charity?

1) 300
2) 1000
3) 666
4) 500