Challenger App

No.1 PSC Learning App

1M+ Downloads
Nagar Haveli lies on the border of which two states of India?
Who wrote the book 'The Indian War of Independence' related to Indian nationalist history of the 1857 revolt?
In which of the following countries, did Adani Defence & Aerospace sign a cooperation agreement with EDGE Group in June 2024, to establish a global platform leveraging the defence and aerospace capabilities?
Kosi is a tributary of which river?
The Vindhyan range is bounded by which range on the south?
Which island in the Arabian Sea is the largest in the Lakshadweep group?
In which of the following states is the Namchik-Namphuk coalfield located?
Who became the emperor of Delhi in 1414 AD?
_______ played the dual role of an organiser and player in the HSBC India Legends golfchampionship held at the Jaypee Greens in Greater Noida from 30 August to 1 September in 2024.
Which of the following freedoms is NOT part of the 'Right to Freedom' under Article 19?

There are different interactive forces that combine to shape human development and these are ______?

  1. 1. Biological Forces
  2. 2. Psychological Forces
  3. 3. Life Cycle Forces
    Electricity is integral to modern life in numerous ways. What is the SI unit for measuring electric current?
    The economic reforms of 1991 aimed to transform India into which of the following types of economy?
    In January 2024, the Reserve Bank of India (RBI) imposed restrictions on which of the following payment methods/banks?
    In August 2024, HDFC Bank introduced GIGA, a new suite of financial products and services specifically designed for?
    _______ determines the number of the members of State Public Service Commissions?
    In 2024, India developed a new integrated web portal called ERNET. Who are the target users of ERNET?
    Which Amendment introduced the Anti-Defection Law in the Indian Constitution, aiming to prevent elected members from switching parties?
    As of October 2024, which of the following is the longest National Highway in India?
    After the revolt of 1857, the title of 'Empress of India' was given to the Queen of England in?
    The Hindu scripture, the Srimad Bhagavad Gita,, which is believed to be narrated by Lord Krishna to Arjun during the Mahabharata war between the pandavas and the Kauravas, is composed in how many chapters?
    Seema bought a mobile and laptop at a certain price. She sold the mobile at 10% gain and laptop at 25% gain. She found that the cost price of the mobile is equal to the selling price of the laptop. Find her profit percentage.
    A number when increased by 50 % gives 2550. The number is:
    The sum of 8 numbers is 840. Find their average.
    What is the simplest fractional form of 0.625?
    Evaluate: 41 - [36 - {48 ÷ 3 - (4 - 8 ÷ 2) ÷ 2}]
    What is the greatest number that will divide 446 and 487, leaving remainders 9 and 12, respectively?
    The difference between compound interest and simple interest for 3 years at the rate of 20% per annum is ₹240. What is the principal lent?
    Isha can do a certain piece of work in 20 days. Isha and Smriti can together do the same work in 16 days, and Isha, Smriti and Ashlesha can do the same work together in 8 days. In how many days can Isha and Ashlesha do the same work?
    The monthly incomes of two friends Chetan and Vipul, are in the ratio 5 : 7 respectively and each of them saves ₹96000 every month. If the ratio of their monthly expenditure is 1 : 3, find the monthly income of Chetan(in ₹).
    In what ratio must a shopkeeper mix two varieties of rice costing ₹75 and ₹80 per kg, respectively, so as to get a mixture worth ₹76.5 per kg?
    Which of the following numbers is divisible by both 4 and 9?
    One pipe fills a water tank 3 times faster than the other. If the two pipes together can fill the empty tank in 37 minutes, then how much time will the slower pipe alone take to fill the tank?
    How much wheat (in kg, rounded off to the nearest integer) costing ₹36 per kg must be mixed with 55 kg of wheat costing ₹45 per kg so that there may be a gain of 20% by selling the mixture at ₹50 per kg?
    Two banks, A and B, offered loans at 3.5% and 6% per annum, respectively. Chetan borrowed an amount of ₹440000 from each bank. Find the positive difference between the amounts of simple interest paid to the two banks by Chetan after 3 years.
    Train A leaves station M at 7:20 AM and reaches station N at 2:20 PM on the same day. Train B leaves station N at 9:20 AM and reaches station M at 2:20 PM on the same day. Find the time when Trains A and B meet.
    If the radius of the base of a right circular cylinder is decreased by 30% and its height is increased by 224%, then what is the percentage increase (closest integer) in its volume?
    Raghu bought toffees at 10 for a rupee. How many for a rupee must he sell to gain 400%?
    A pencil sharpened at both edges is the combination of _________ and __________.
    image.png
    The current price of a laptop is ₹78,000 after a 20% increase this year. What was the price of the laptop last year?
    The average of first 126 odd natural numbers, is:
    A man riding on a bicycle at a speed of 17 km/h crosses a bridge in 42 minutes. Find the length of the bridge?
    A 340 m long train crosses a man walking at a speed of 4.5 km/h in the opposite direction in 6 seconds. What is the speed (in km/h) of the train?
    Three friends are exercising together. The first friend runs a lap in 12 minutes, the second in 18 minutes, and the third in 24 minutes. If they all start running together, after how many minutes will they all finish a lap together again?
    A girl goes to school at a speed of 6 km/hr. She comes back with a speed of 18 km/hr. Find her average speed for the whole journey.
    The sum of five numbers is 655. The average of the first two numbers is 77 and the third number is 123. Find the average of the remaining two numbers?
    Find the perimeter of an equilateral triangle with a side length of 6 cm.
    Evaluate: 41 - [21 - {11 - (15 - 9 ÷ 3 × 2)}]
    In how many months, at a rate of 6% compound interest per annum, will a sum of ₹1,200 become ₹1,348.32.?