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the price of oil decreases by 8%.As a result a person can purchase 2litrs more oil for ₹420.What is the reduced price of oil per litre

Two circles with centres P and Q cut each other at two distinct points A and B. The circles have the same radii and neither P nor Q falls within the intersection of the circles. What is the smallest range that includes all possible values of the angle AQP in degrees?

can't I solve this paper in Hindi??

how i do solve para jumble sentences

in examination, 30% of the total students failed in Hindi,45%failed in english and 20% failed in both the subjects find the percentage of those who passed in both the subjects

how do i solve para jumbles

A sequence of numbers is written in the following fashion: 1, 7, 1, 1, 7, 7, 1, 1, 1, 7, 7, 7, ... till ‘n’ terms. The sum of first 5001 terms of the given sequence is

I have a doubt.. If it's given like, "A is sitting two places away from C", how is their arrangement be done? Is it like: A _ _ C C _ _ A (gap of two persons between them) or A _ C C _ A (gap of one person between them)

APPROACH PLEASE

a.the sum of products of ten numbers (both positive &negative; signs)1,2,3,...5 taking two at a time is ?
B.If a ,b ,c are real numbers ,then minimum value of ab+bc+ca?
C. If |x| -|y| =13 then which of following can't be value of x-y? options: -19 / -9/-17/none of these

Find the number of natural number solutions to the system of equations : a+b+c+d+e=20; a+b=4 and a+e =5