Ramesh doesn't always have time to read the daily newspaper and whenever he reads it he does it either in the morning or in the evening.The probability that he reads it in the morning is 10% and the probability that he reads it in the evening is 30%. Find the expected number of days in a month of 30 days on which he doesn't read the paper at all?
How many 4 digit numbers are there in octal system,expressed in that system
Sol pls ans 4th option
Q240?
242?
What is 20! mod 23?
Pl help me with both questions of p and c
What is the number of terms in the expansion of {a + b + c + d)^15?
a.816
b.750
c.800
d.900
DO MENTION THE APPROACH TOO.THANKS.
How many numbers in the first 600 natural numbers are co prime to 6 or 15..Answer is 360..please explain the approach.
1010101... 94 digits is 94 digit number. What will be the remainder obtained when this number is divided by 375 ? Approach plz... ans is 40
https://imgur.com/a/jPU0F
Q.4
Q22
getting wrong ans help ?
Any link to video/material pdf explaining well enough, on how to solve/approach for LR involving 3-5 variables. How to make the table in a sorted way... Thanks in advance would be really helpful. #LR #CAT
The cost of 2 watches and 2 lockets is Rs. 10,800. What is the cost of 6 watches
and 3 lockets?
- none of these
- Cant be determined
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A and B are natural numbers. A is odd and B is even but not divisible by 4. A and B satisfy AB - 11B - 18A - 586 = 0. How many pairs of A and B exist such that A ≥ 12 and B ≥ 19?
How many 3-digit even numbers can you form such that if one of the digit is 5, the following digit must be 7?
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The average height of a group of n persons is 90. Two persons with heights 60 and 65 respectively leave the group. A third person with height between 91 and 97 joins the group. The new average height of the group is a prime number. Find the possible height of the person who joined the group if it is known that the new average height is less than 120?
solution