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Practice Algebra Questions and Answers

4, 10, 19, 30, 43, ?
105, 111, 123, 141, ?, 195
Out of total number of people in an office, 40% are males. Ratio of number of married to that of unmarried people in the office is 3:2 while ratio of numbe...
Before servicing, a car runs at a speed of 25 km/hr while after servicing, it runs at a speed of 50 km/h. After servicing the car covers a certain distance...
If (x + y) = 35, then find the value of (x - 10)6 + (y - 25)6.
A shopkeeper marked his article 25% above its cost price and offered a discount of 30%. If cost price of the article is Rs. 560, then find profit or loss o...
Atul has Rs.500 with him. He invested 30% of the amount at 5% p.a. for 6 years and rest at 20% p.a. for 4 years. Find the sum of simple interests received ...
Average marks scored by Vineet in five subjects are 60. The average marks scored by him (excluding his highest and lowest marks) are 50 and lowest marks sc...
What is the simplified form of the expression? (1 + x) (1 + x²) (1 + x⁴) (1 + x⁸) (1 – x)? A.(1-x40) B.(1-x16) C.(1-x 48) D.(1-x32)...
If 4x² + y² = 40 and x y = 6, then find the value of 2x + y?
If a + b + c = 6, a² + b² + c² = 14 and ab + bc+ ca = 11, then what is the value of a³ + b³ +c³ –3abc?
If a + b + c = 5, a³ + b³ + c³ = 85 and abc =25, then find the value of a² + b² + c² – ab –bc – ca
If a = 901, b= 903, and c= 906, then find the value of a³ + b³ +c³ –3abc?
If x = 222, y = 223 and z = 224, then find the value of x³ + y³ + z³ – 3xyz
Which of the following statements is correct? I. If x = 12, y = –2 and z = –10, then x³ + y³ + z³ = 720 II. If x + y = 48 and 4xy = 124, then 4x² +...
If x + y + z = 20, x² + Y² + z² = 160 and x z = y², then find the value of x z?
If x = 8.15, y = 9.06 and z = –17.21, then the value of x³ + y³ + z³ – 3xyz is:
If x + y + z = 10 and x² + y² + z² = 36, then what is the value of x y + y z + z x?
The certain sum amounts to Rs11313.5 in 2(1/2) years at 12% p.a., interest compounded 10 months. The sum (in Rs) is:
If a + b + c = 8, a² + b² + c² = 18 and ab + b c+ ca = 12, then what is the value of a³ + b³ +c³ –3abc?
If a = 701, b= 703 and c= 706, then find the value of a³ + b³ +c³ –3abc?
If x + y + z = 30, x² + Y² + z² = 460 and x z = y², then find the value of x z?
If 3y-3/y=18 then find the value of y² +1/y²
Find the 36th term of the series 25, 29, 33……
if √1+x/121 = 13/11 then find the value of x.
Three cubes of metal whose edges are 3cm, 4cm and 5cm. respectively are melted and a single cube is formed. What is the length of the edge of the newly for...
If the ratio of the areas of two triangles is 4:3 and the ratio of their heights is 3:4, then the ratio of the lengths of their bases will be
A boat covers 540 km upstream and downstream in 't' time. If the speed of the stream is 8 km/h and the speed of the boat is 10 km/h then find the value of ...
Four persons ‘A’, ‘B’, ‘C’, and ‘D’ have different amounts with them. ‘D’ has twice the amount than that of ‘A’. The amount ‘B’...
If a3 — b3 = 602 and a— b = 2, then find the value of( a2 + b2)
22% of ‘x’ is equal to 66% of ‘y’, then find the value of x: y.
If 10x2 – 6xy+y² – 4x+4= 0, then find the value of (3x+2y).
A sum of Rs. 25,000 is invested in SIP 'G' which offers 7% p.a. simple interest for 7 years. The interest received from SIP 'G' is invested in SIP 'H' whic...
For a =-4 and b = 5, value of a² – b² is:

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