If y - 1y = 4, then find the value of y3 - 1y3.
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On what dates of April, 2001 did Wednesday fall?
We shall find the day on 1st April, 2001.
1st April, 2001 = (2000 years + Period from 1.1.2001 to 1.4.2001)
Odd days in 1600 years = 0
Odd days in 400 years = 0
Jan. Feb. March April
(31 + 28 + 31 + 1) = 91 days 0 odd days.
Total number of odd days = (0 + 0 + 0) = 0
On 1st April, 2001 it was Sunday.
In April, 2001 Wednesday falls on 4th, 11th, 18th and 25th.
A sum of money lent at compound interest for 2 years at 20% per annum would fetch Rs.482 more, if the interest was payable half yearly than if it was payable annually . The sum is
Let sum=Rs.x
C.I. when compounded half yearly = x1+101004-x=464110000
C.I. when compounded annually =x201002-x=1125
464110000x-1125x=482
=> x=20000
Select the odd figure out of the following series.
If x + y + z = 6 and xy + zx + zy = 10, then find the value of x3 + y3 + z3 - 3xyz
If y = 13 + 23 + 33 + 43 + 53 + 63 then find the value of y - 1.
Read the data given and answer the following questions
In a class of 60 students:
42 like Maths,
32 like English,
12 like neither Maths nor English
Students who like only Maths forms what percentage of the total number of students in the class?
If x = 0.139, then what is the value of 4x2 + 4x + 1 ?
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