Which of the following is/are not way(s) to reduce friction? (i) Use of lubricants (ii) Changing the sliding friction to rolling friction (iii) Increasing roughness of the surfaces A(i) only B(i) and (ii) only C(ii) only D(iii) only
A rectangular courtyard 3.78 metres long and 5.25 metres wide is to be paved exactly with square tiles, all of the same size. What is the largest size of the tile which could be used for the purpose ? A14 cm B21 cm C42 cm DNone of these
One of your friends says that he always keenly watches how a car is driven. He really thinks that he can drive a car; and he plans to drive the car on the safe road near his house only. He has invited you for a joy ride. In such a situation what is the correct thing to do? AYou will accept the invitation because it will be a great fun. BYou should tell your parents so that they could talk to your friend's parents. CYou should refuse because you have some other plans. DYou will refuse because you do not like such joy rides.
PATTERNSWhich of the following will be the next term in the given number pattern ? A90 B65 C120 D29
Which of the following is not a correct official soccer rule? AThere are two halves of 45 minutes each. BThere is an interval of 5 minutes between the two playing halves. CIf match is tied, then two extra periods of 15 minutes each are allowed. DFor fouls committed, a player could receive a yellow or red card.
The outermost layer of the tooth is called _________. ADentine BRoot CPulp DEnamel
Which of the following does not represent a good e-mail etiquette? AReread an e-mail before sending it. BAlways respond to e-mails received even from strangers. CDouble-check the recipient's name before sending the e-mail. DWrite your name at the end of an e-mail.
What is common between the Taj Mahal of Agra and the Victoria Memorial of Kolkata? AThey were completed in the same year. BThey had the same architect. CThey both are built using the Makrana marble. DBoth are designated as UNESCO World Heritage sites.
Which of the following cities won the right to host 2020 edition of the Olympic Games? ABerlin BTokyo CMadrid DIstanbul
In which of these sports would you balance yourself on a beam? ADiving BJudo CGymnastics DBasketball