Challenger App

No.1 PSC Learning App

1M+ Downloads

Given below are three statements and three conclusions. Take the statements to be true even if they are at variance with commonly known facts, and decide whether the conclusion/s follow/s the given statements.

Statements:

I. All grasses are shrubs.

II. All roots are fruits.

III. All fruits are flowers.

Conclusions:

I. All grasses are flowers.

II. All roots are flowers.

III. Some flowers are fruits.

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:

Select the option that represents the letters that, when placed from left to right in the same sequence in the blanks below, will complete the letter series.

B_M_Q_VMW_BVMW_BV_ _T

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
image.png

image.png
image.png
The position of how many letters will remain unchanged if each of the letters in the word 'DIRECT' is arranged in alphabetical order?
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?
In a certain code language, 'GLEPK' is written as 'DIBMH' and 'QRYHN' is written as 'NOVEK'. How will 'POTER' be written in that language?
This question is based on the five, three-digit numbers given below: (Left) 158 438 182 325 230 (Right) If 5 is added to the first digit of every number, in how many numbers will the first digit be exactly divisible by the second digit?
Which of the following numbers will replace the question mark ( ?) in the given series? 0, 2, 6, 12, 20, ?

Three statements are followed by four conclusions numbered I, II, III and IV. You have to consider these statements to be true, even if they seem at variance from commonly known facts. Decide which of the given conclusions logically follow/s from the given statements.

Statements:

1. All couriers are shipments.

2. All shipments are transports.

3. No haul is transport.

Conclusions:

I. No transport is shipment.

II. All couriers are transports.

III. Some transports are shipments.

IV. No courier is haul.

The component of white light that deviates the most on passing through a glass prism is?
Who is the Chief Justice of India as on March 2022?
In human males, why are testes present outside the abdominal cavity in a pouch called scrotum?
P. Q. R, S, T, U and V live on seven different floors of the same building. The lowermost floor in the building is numbered 1, the floor above it is numbered 2, and so on till the topmost floor is numbered 7. U lives on the top floor. Only two persons live between T and Q. Q is on floor number 3. V lives on the floor immediately above P's floor. S lives on the floor immediately above R's floor. Q lives on the floor immediately below R's floor. Who lives on floor number 6?
What is the aim of Digital Government Mission launched by the Ministry of Electronics and Information Technology in January 2022?
The position of how many letters will remain unchanged if each of the letters in the word 'LAMENT' is arranged in alphabetical order?
Janhvi starts walking from her home and goes 45 m towards the west. She then turns right and walks 32 m. Then, she turns right and walks 88 m. After that, she turns right and walks 50 m. Finally, she turns right again and walks 43 m. How far and in which direction is she now from her home? (All turns are 90 degree turns only)
A concave mirror having focal length of magnitude 20 cm forms a real image at a distance of 60 cm from it. The object distance (in cm) is?

Three statements are followed by three conclusions numbered I, II and III. You have to consider these statements to be true, even if they seem to be at variance with commonly known facts, and decide which of the given conclusions logically follow/s from the given statements.

Statements:

All donkeys are zebras.

Some bulls are cats.

Some donkeys are apes.

Conclusions:

(I) Some zebras are bulls.

(II) Some zebras are apes.

(III) Some donkeys are cats.

Which Article of the Constitution of India enshrines one of the Directive Principles of State Policy which lays down that the State shall take steps to organise village panchayats and endow them with such powers and authority as may be necessary to enable them to function as units of self-government"?
One of the roots of the equation x212x+k=0x ^ 2 - 12x + k = 0 is x = 3 The other root is
The Gua mines of Jharkhand is associated with which of the following minerals?
If 9:12:: 12: x, and 28: 42:: 42: y, then the value of 2x + y is:

Which of the following triads is NOT a Dobereiner's triad?

  1. (i) Li, Na. K
  2. (ii) Ca, Sr, Ba
  3. (iii) N, P, Sb
  4. (iv) Cl, Br, I
    What is the name of the sacred text of Christianity which consists of two parts: the Old Testament which is essentially the Hebrew text of the time of Jesus; And the New Testament that includes writings about Jeasus Christ and the early church?
    Kokborok is one of the state languages of Tripura. On 19th January 2022, Tripura celebrated which Kokborok day?
    The HCF of any set of 10 co-prime numbers is always
    Which of the following will be the next member of the homologous series of hexene?
    In the given reaction, __________ acts as a reducing agent? Fe2O3+3CO→ 2Fe + 3CO2
    What is the correct order of metallic character of the following metals?
    image.png
    What is the name of the consumer awareness programme started by the Department of Consumer Affairs in 2022?
    In some women, oviducts are blocked. These women are unable to bear babies because sperms cannot reach the egg for fertilisation. The doctors advise IVF (invitro fertilisation) in such cases. Below are given some steps of the procedure. Select the INCORRECT step
    Which of the following options states the different ways of excretion in plants?
    Saga Dawa festival is celebrated in which of the following Indian states?
    In the reaction ZnO + C → Zn + CO?
    A magnet, when moved near a coil, produces an induced potential difference in the coil, What happens when we increase the speed of the magnet near the coil?

    Which of the following is/are useful effort(s) for sustainability of resources?

    1. a. Switching off unnecessary lights and fans
    2. b. Using lift instead of stairs
    3. c. Repairing leaking taps for conserving water
    4. d. Using empty containers to store things
    5. e. Going to school by your own car instead of cycling
      Which of the following statements in Economics is NOT correct?
      An electric heater rated 1000 W and an electric geyser rated 2000 W are med for 4 hours daily. The energy consumed in 10 days (in kWh) is?
      image.png
      Some features of alveoli are mentioned below. Select the INCORRECT option
      In which part of the leaves do massive amounts of gaseous exchange take place during respiration?

      Consider the statements given below and identify the correct answer.

      1. Statement-I: Washing soda is produced from sodium chloride.
      2. Statement-II: It attacks dirt and grease to form water soluble products, which are then washed away on rinsing with water
        The conversion of ethanol to ethanoic acid is an example of which of the following reactions?
        An electric heater is rated 2200 W at 220 V. The minimum rating of the fuse wire to be connected to the device is?
        In January 2022, which village became the first open-defecation free (ODF) Plus village of Mizoram?