Approach
Find out the value of (30*1) + (29*2) + โฆ.. Up to 30 terms.
unable to solve
A clock is set right at 9 a.m. The clock loses 8 minutes in 12 hours. What will be the true time when the clock indicates 2 a.m. on 4th day?
Approach
There is a circle of radius 10 cm which is circumscribed around a quadrilateral. It is further known that 2 adjacent sides are 12 cm and 16 cm. Determine max possible area of the quadrilateral (in cm2).
Diagram with explanation
A pyramid prism has a square base of side length 8 cm and a height of 12 cm. The pyramid prism is cut by a plane that passes through the midpoints of two opposite edges of the square base, as well as the midpoint of one of the lateral edges. What is the volume of the resulting piece (in cu cm)? Answer given-96 cum
Solution
M, N and O can finish the work in 24, 36 and 60 days respectively on the same task while working alone. If M started the work and N joined exactly after 2 days and left after 1/3rd days before the work completed. He was replaced by O and O worked till the work got completed. Find out the amount of work done by N in percentage terms (Write your answer accurate to one decimal point)-Answer:15.8%
Explanation after solving the equation
Let f(x)= x3 -4x2+3x, g(x)= x+2 then what will be the value of fog(1) +fog(2) + fog(3) +....fog(20) ?
Explanation
If log3 2, log3 (2x โ 5) and log3 (22x-1 โ 295/2) are in AP, find x.
Explanation
If log3 2, log3 (2x โ 5) and log3 (22x-1 โ 295/2) are in AP, find x.
Solution
A circle has a diameter of 28 cm. A chord of length 14 cm is drawn. Find the length of the larger arc of the circle covered by chord.
Unable to approach
How many 3-digit numbers in decimal system are 3-digit numbers in both base 9 and 11?