जब 9 किलोग्राम में से 7 किलोग्राम 7 ग्राम घटाया जाता है, तो परिणाम क्या होता है?

The product 672 × 36 × 25 equals:

Rita has the longest jump of 3 m 40 cm. Tanu is second; her jump is 20 cm less than Rita's. Rihanna comes third; her jump is only 5 cm less than Tanu's jump. By how many centimeters did Rihanna miss securing the first rank?

A teacher tells students that the height of the world's tallest building is 828 m. Jagath responds, 'If we make a stack of our classroom vertically, 120 classrooms can cover that building.' What is the height of Jagath's classroom?