If x(x-5)=-1, then the value of x3(x3-110)=? a) 1 b) -1 c) 2 d) -2 Sol:
READ MORE +If x(x-5)=-1, then the value of x3(x3-110)=? a) 1 b) -1 c) 2 d) -2 Sol:
READ MORE +Q. If p and q are the lengths of the perpendiculars from the origin on the lines, x cosecα−ysecα=kcot2α and xsinα+ycosα=ksin2α respectively, then k2 is equal to : Sol: Given lines arex cosecα−ysecα=kcot2α and xsinα+ycosα=ksin2αDistance from ...
READ MORE +The ratio of income of A, B and C is 3 : 4 : 5 and there expenses are in the ratio 4 : 5 : 6. If savings of A of his income. Then find the ratio of their savings. a) 12 : 19 : 26 b) 13 : 20 : 27 c) 19 : 12 : 26 d) 14 : 21 : 29 Sol: Saving ratio = 12 : 19 : 26
READ MORE +A cylindrical vessel of radius 13.5m is to be filled with petrol. How many liters of petrol will increase the height of the liquid in the vessel by 10.5cm a) 60250 liter ...
READ MORE +Let x = 224 and, y = 322. If the highest common factor of 23x and axy is divisible by x and y, then what can be the possible value of a? a) 18 b) 16 c) 19 d) 20 Sol: Given: x = 224, y = 322 Calculation: HCF(Highest Common Factor) of a and b is the ...
READ MORE +If sin2θ=cos3θ, then the value of (cot2θ-cot6θ) is: a) 1 b) -1 c) 2 d) -2 Sol:
READ MORE +In the given figure ABCD is square with side 17 cm. find the Area of Shaded Region if the radius of all the circle cut is 17/2 a) 144.5cm² b) 151.2cm² c) 147.4cm² d) 285cm² Sol: Logically we can put sides cut of shaded portion in unshaded circle cut because the base is same. ...
READ MORE +The ratio of milk and water in a mixture is 3 : 5 We added 10 Lt water to the mixture then ratio becomes 3 : 7. Find the initial quantity of milk? a) 15 Lt b) 12 Lt c) 20 Lt d) 17 Lt Sol:
READ MORE +In ∆ PQR, ∠Q= 90°, PQ = 8 cm and QR = 15 cm. The bisector of ∠P of meets QR at D. What is the length of PD? Sol:
READ MORE +A shopkeeper increases the selling price of an article by 15%. After increasing the selling price, he noticed that the profit percentage changed from 5% to 15%. The percentage increase in the cost price is. a) 4% ...
READ MORE +