App Logo

No.1 PSC Learning App

1M+ Downloads
If x²+2x+9 = (x-2)(x-3), then the resultant equation is:
Which of the following pairs of numbers are co-primes?
Two wires A and B are made of same material and have the same length but different cross-sectional areas. If the resistance of wire A is 9 times the resistance of wire B. the ratio of the radius of wire A to that of wire B is:
image.png
A man buys 15 identical articles for a total of 15. If he sells each of them for 21.23, then his profit percentage is:
image.png
If each interior angle of a regular polygon is 135°, then the number of sides that polygon has is:
Which of the following is the greatest number that divides 72 and 119 and leaves 3 and 4 as respective remainders?
A vendor sold 25 laptops at a profit of 12% and 15 laptops at a profit of 20%. If he had sold all the 40 laptops at a profit of 18%, his profit would have increased by 230,000. What is the cost price of each laptop, if the cost price of all the 40. laptops is the same?
If AB = x + 3, BC = 2x and AC = 4x-5, then for what value of 'x' does B lie on AC?
The diagonal and one side of a rectangular plot are 65 m and 63 m, respectively. What is the perimeter of the rectangular plot?
A class of 30 students appeared in a test. The average score of 12 students is 80, and that of the rest is 75. What is the average score of the class?
The fraction equivalent to 0.474747... is:
ഒരു ബാഗിൽ 6 ചുവപ്പ് 4 നീല പന്തുകൾ ഉണ്ട്. ഒന്നിന് പിറകെ ഒന്നായി തിരിച്ചു വെക്കാതെ 3 ബോൾ പുറത്തെടുക്കുന്നുവെങ്കിൽ അതിൽ കൃത്യമായി ഒരു നീല ബോൾ വരാനുള്ള സാധ്യത എന്ത് ?
ഒരു സഞ്ചിയിൽ 12 ചുവന്ന മിട്ടായികളും 5 മഞ്ഞ മിട്ടായികളും ഉണ്ട് .ഒരു മിട്ടായി എടുത്തതിനു ശേഷം അത് തിരികെ വെക്കാതെ രണ്ടാമതൊരു മിട്ടായി എടുക്കുന്നു. രണ്ടു മിട്ടായികളും ചുവന്നത് ആകുന്നതിനുള്ള സംഭവ്യത ?
If two parallel lines are intersected by a transversal, then which of the options below is not necessarily correct?
Find the area of a triangle whose sides are 12 m, 14 m and 16 m.
If the difference between two numbers is 52 and they are in the ratio 7: 3, then find the greater of the two numbers.
The value of 0.0486÷ 0.002 =
image.png
image.png
A motor car starts with a speed of 60 km/h and increases its speed after every two hours by 15 km/h. In how much time will it cover a distance of 360 km?
A truck travels at a speed of 60 km/h from city P to city Q and returns to city P by the same route at a speed of 100 km/h. What is the average speed of the truck for the given journey?

The value of 53×54×52=5^3 \times 5^4 \times 5^2 = ?

Two boxes have chocolates in the ratio 7: 5. If the difference in the number of chocolates is 28. find the number of chocolates in the box with larger numbers
If three numbers are in the ratio 5:6:8 and the sum of their squares is 1250, then the product of those numbers is:
If x and y are the two digits of the number 115 xy such that this number is divisible by 90, then the value of x + y is:
A television costs ₹35,000 less than a printer. If the cost of the printer is twice the cost of the television, then the cost of the television is:
The area (in square units) of the quadrilateral ABCD, formed by the vertices A (0, -2), B (2, 1), C (0, 4), and D (-2, 1) is:

The value of sin252+2+sin2384cos2435+4cos247\frac{{{{\sin }^2}{}52^\circ + 2 + {{\sin }^2}{{ }}38^\circ }}{{4{}{{\cos }^2}43^\circ - 5 + 4{{\cos }^2}{{}}47^\circ }}

Find the value of Sec (-30o)+tan(-60o)

If cot A = tan(2A - 45°), A is an acute angle then tan A is equal to:

If tanθ + cotθ = 2 and θ is acute, then the value of tan100θ +cot100θ is equal to:

(tan57° + cot37°)/ (tan33° + cot53° ) =?

If tanθ=34tan\theta=\frac{3}{4} and θ is acute, then what is the value of sin θ

Find the value of

Sin0o×sin1o×sin2o×sin30...............Sin890isSin0^o\times{sin1^o}\times{sin2^o}\times{sin3^0}...............Sin89^0 is

If tan 45o + sec 60o = x, fine the value of x.

Cos1o.cos2o.cos3o.......................cos100o is equal to

Find the value of tan 8° tan 22° cot 60° tan 68° tan 82°
What is the value of cos[(180° – θ)/2].cos[(180° – 9θ)/2] + sin[(180° – 3θ)/2].sin[(180° – 13θ)/2]?
The HCF of any set of 10 co-prime numbers is always
If 9:12:: 12: x, and 28: 42:: 42: y, then the value of 2x + y is:
One of the roots of the equation x212x+k=0x ^ 2 - 12x + k = 0 is x = 3 The other root is
A can count 100 eggs in 4 minutes while B can count the same number of eggs in 5 minutes. How much time will be required if they work together to count 450 eggs?
A statement is given, followed by four conclusions given in the options. Find out which conclusion is true based on the given statement. Statement: H=W>F≥S≥T>Y

If a and b are the roots of x2+x2=0x^2 + x - 2 = 0, then the quadratic equation in x whose roots are 1a+1b\frac1a + \frac1b and ab is:

An item costs ₹2,000 less than ₹5,000. The dealer offers a discount of 10% and the retailer further offers a discount of 5% on its CP. The final SP for the customer is:
The simple interest on ₹1,280 at 5% p.a. for 3 years is:
2.666... + 2.77... in fraction form is:
In a clearance sale, a sari whose marked price was ₹10,490, is now sold for ₹9,441. What is the discount per cent on the sari?